csi: Fix socket extension comment
csi: Fix socket extension comment

The CSI socket has used a sock extension since 179d8e108e8. This removes
the stale TODO for updating it.

PiotrProkop/kubernetes,pires/kubernetes,tpepper/kubernetes,mikebrow/kubernetes,dixudx/kubernetes,tomzhang/kubernetes,BenTheElder/kubernetes,openshift/kubernetes,soltysh/kubernetes,davidz627/kubernetes,bparees/kubernetes,lichuqiang/kubernetes,u2takey/kubernetes,openshift/kubernetes,njuicsgz/kubernetes-1,luxas/kubernetes,xychu/kubernetes,pwittrock/kubernetes,li-ang/kubernetes,aledbf/kubernetes,ii/kubernetes,kow3ns/kubernetes,xlgao-zju/kubernetes,rafax/kubernetes,jackfrancis/kubernetes,csrwng/kubernetes,cblecker/kubernetes,monopole/kubernetes,saad-ali/kubernetes,jsafrane/kubernetes,fanzhangio/kubernetes,jennybuckley/kubernetes,Hui-Zhi/kubernetes,fgimenez/kubernetes,tcnghia/kubernetes,joelsmith/kubernetes,mfojtik/kubernetes,ixdy/kubernetes,fgimenez/kubernetes,wanghaoran1988/kubernetes,du2016/kubernetes,klaus1982/kubernetes,mkumatag/kubernetes,jdef/kubernetes,verult/kubernetes,yujuhong/kubernetes,spzala/kubernetes,zhangmingld/kubernetes,kevin-wangzefeng/kubernetes,u2takey/kubernetes,sethpollack/kubernetes,tcnghia/kubernetes,roberthbailey/kubernetes,k82/kubernetes,DiamantiCom/kubernetes,verult/kubernetes,cmluciano/kubernetes,sethpollack/kubernetes,kitt1987/kubernetes,JacobTanenbaum/kubernetes,PI-Victor/kubernetes,x13n/kubernetes,kitt1987/kubernetes,wongma7/kubernetes,ConnorDoyle/kubernetes,kubernetes/kubernetes,ConnorDoyle/kubernetes,mboersma/kubernetes,ixdy/kubernetes,tomzhang/kubernetes,idvoretskyi/kubernetes,dixudx/kubernetes,huangjiuyuan/kubernetes,davidz627/kubernetes,jingxu97/kubernetes,tomerf/kubernetes,shyamjvs/kubernetes,pmorie/kubernetes,idvoretskyi/kubernetes,kevensen/kubernetes,x13n/kubernetes,andrewrynhard/kubernetes,x13n/kubernetes,chrislovecnm/kubernetes,cblecker/kubernetes,zhouhaibing089/kubernetes,nckturner/kubernetes,spzala/kubernetes,derekwaynecarr/kubernetes,andrewrynhard/kubernetes,pmorie/kubernetes,thockin/kubernetes,fanzhangio/kubernetes,luxas/kubernetes,csrwng/kubernetes,alejandroEsc/kubernetes,rafax/kubernetes,bizhao/kubernetes,GulajavaMinistudio/kubernetes,wenlxie/kubernetes,iameli/kubernetes,johscheuer/kubernetes,aledbf/kubernetes,hex108/kubernetes,kevin-wangzefeng/kubernetes,johscheuer/kubernetes,mboersma/kubernetes,dlorenc/kubernetes,kitt1987/kubernetes,ravilr/kubernetes,feiskyer/kubernetes,stevesloka/kubernetes,chrislovecnm/kubernetes,pmorie/kubernetes,iterion/kubernetes,LalatenduMohanty/kubernetes,gnufied/kubernetes,lichuqiang/kubernetes,gnufied/kubernetes,carlory/kubernetes,wenlxie/kubernetes,tengqm/kubernetes,tomerf/kubernetes,ravisantoshgudimetla/kubernetes,coolsvap/kubernetes,humblec/kubernetes,coolsvap/kubernetes,bparees/kubernetes,shyamjvs/kubernetes,fabriziopandini/kubernetes,maciaszczykm/kubernetes,andrewsykim/kubernetes,JacobTanenbaum/kubernetes,thockin/kubernetes,tallclair/kubernetes,wenlxie/kubernetes,pweil-/kubernetes,fabriziopandini/kubernetes,aledbf/kubernetes,johscheuer/kubernetes,joelsmith/kubernetes,frodenas/kubernetes,warmchang/kubernetes,mml/kubernetes,krmayankk/kubernetes,du2016/kubernetes,Acidburn0zzz/kubernetes,kubernetes/kubernetes,DiamantiCom/kubernetes,pires/kubernetes,x13n/kubernetes,mengqiy/kubernetes,Hui-Zhi/kubernetes,sanjeevm0/kubernetes,iterion/kubernetes,cmluciano/kubernetes,ingvagabund/kubernetes,krmayankk/kubernetes,jessfraz/kubernetes,sdminonne/kubernetes,jennybuckley/kubernetes,verult/kubernetes,ping035627/kubernetes,bparees/kubernetes,mfojtik/kubernetes,du2016/kubernetes,tcnghia/kubernetes,dixudx/kubernetes,xlgao-zju/kubernetes,mYmNeo/kubernetes,openshift/kubernetes,linux-on-ibm-z/kubernetes,mahak/kubernetes,humblec/kubernetes,lojies/kubernetes,nak3/kubernetes,deads2k/kubernetes,fanzhangio/kubernetes,zhouhaibing089/kubernetes,micahhausler/kubernetes,fejta/kubernetes,sdminonne/kubernetes,carlory/kubernetes,verb/kubernetes,verb/kubernetes,lichuqiang/kubernetes,yarntime/kubernetes,PiotrProkop/kubernetes,kpgriffith/kubernetes,mkumatag/kubernetes,sdminonne/kubernetes,fgimenez/kubernetes,dlorenc/kubernetes,verb/kubernetes,kow3ns/kubernetes,k82cn/kubernetes,monopole/kubernetes,LalatenduMohanty/kubernetes,andrewrynhard/kubernetes,gnufied/kubernetes,stevesloka/kubernetes,andrewsykim/kubernetes,klaus1982/kubernetes,mikedanese/kubernetes,sethpollack/kubernetes,pmorie/kubernetes,matthyx/kubernetes,feiskyer/kubernetes,pires/kubernetes,yujuhong/kubernetes,enj/kubernetes,jessfraz/kubernetes,erwinvaneyk/kubernetes,jdef/kubernetes,intelsdi-x/kubernetes,liggitt/kubernetes,aveshagarwal/kubernetes,Lion-Wei/kubernetes,PI-Victor/kubernetes,carlory/kubernetes,soltysh/kubernetes,kow3ns/kubernetes,roberthbailey/kubernetes,Clarifai/kubernetes,iameli/kubernetes,li-ang/kubernetes,krmayankk/kubernetes,ingvagabund/kubernetes,kubernetes/kubernetes,andrewsykim/kubernetes,sdminonne/kubernetes,MHBauer/kubernetes,fanzhangio/kubernetes,jessfraz/kubernetes,tomzhang/kubernetes,Clarifai/kubernetes,liggitt/kubernetes,wanghaoran1988/kubernetes,kow3ns/kubernetes,tpepper/kubernetes,aveshagarwal/kubernetes,jingxu97/kubernetes,roberthbailey/kubernetes,zhouhaibing089/kubernetes,mosoft521/kubernetes,humblec/kubernetes,mYmNeo/kubernetes,dims/kubernetes,jackfrancis/kubernetes,mboersma/kubernetes,zetaab/kubernetes,fejta/kubernetes,ii/kubernetes,tomerf/kubernetes,rnaveiras/kubernetes,u2takey/kubernetes,jennybuckley/kubernetes,u2takey/kubernetes,iterion/kubernetes,rafax/kubernetes,idvoretskyi/kubernetes,cadmuxe/kubernetes,wanghaoran1988/kubernetes,cblecker/kubernetes,dims/kubernetes,khenidak/kubernetes,tomzhang/kubernetes,enj/kubernetes,MikeSpreitzer/kubernetes,aveshagarwal/kubernetes,k82cn/kubernetes,fgimenez/kubernetes,monopole/kubernetes,kow3ns/kubernetes,dereknex/kubernetes,davidz627/kubernetes,kpgriffith/kubernetes,njuicsgz/kubernetes-1,idvoretskyi/kubernetes,hex108/kubernetes,ixdy/kubernetes,njuicsgz/kubernetes-1,coolsvap/kubernetes,MHBauer/kubernetes,saad-ali/kubernetes,mahak/kubernetes,saad-ali/kubernetes,brendandburns/kubernetes,thockin/kubernetes,dereknex/kubernetes,li-ang/kubernetes,sdminonne/kubernetes,lichuqiang/kubernetes,iameli/kubernetes,fejta/kubernetes,warmchang/kubernetes,ravisantoshgudimetla/kubernetes,pweil-/kubernetes,PiotrProkop/kubernetes,fabriziopandini/kubernetes,x13n/kubernetes,GulajavaMinistudio/kubernetes,brendandburns/kubernetes,zetaab/kubernetes,Hui-Zhi/kubernetes,jessfraz/kubernetes,jingxu97/kubernetes,ii/kubernetes,GulajavaMinistudio/kubernetes,monopole/kubernetes,ConnorDoyle/kubernetes,rrati/kubernetes,kpgriffith/kubernetes,Acidburn0zzz/kubernetes,pmorie/kubernetes,joelsmith/kubernetes,GulajavaMinistudio/kubernetes,iterion/kubernetes,xychu/kubernetes,alejandroEsc/kubernetes,nckturner/kubernetes,mikebrow/kubernetes,jsafrane/kubernetes,du2016/kubernetes,ixdy/kubernetes,njuicsgz/kubernetes-1,nikhita/kubernetes,DiamantiCom/kubernetes,kitt1987/kubernetes,zhangmingld/kubernetes,matthyx/kubernetes,krmayankk/kubernetes,LalatenduMohanty/kubernetes,cofyc/kubernetes,warmchang/kubernetes,xychu/kubernetes,rafax/kubernetes,li-ang/kubernetes,zetaab/kubernetes,wanghaoran1988/kubernetes,Lion-Wei/kubernetes,rnaveiras/kubernetes,nikhita/kubernetes,Lion-Wei/kubernetes,hex108/kubernetes,intelsdi-x/kubernetes,cblecker/kubernetes,erwinvaneyk/kubernetes,jagosan/kubernetes,aveshagarwal/kubernetes,cadmuxe/kubernetes,openshift/kubernetes,frodenas/kubernetes,sanjeevm0/kubernetes,PI-Victor/kubernetes,derekwaynecarr/kubernetes,chrislovecnm/kubernetes,mengqiy/kubernetes,k82/kubernetes,fgimenez/kubernetes,jackfrancis/kubernetes,zhouhaibing089/kubernetes,erwinvaneyk/kubernetes,verult/kubernetes,jagosan/kubernetes,Clarifai/kubernetes,ingvagabund/kubernetes,BenTheElder/kubernetes,lojies/kubernetes,ravisantoshgudimetla/kubernetes,mml/kubernetes,mfojtik/kubernetes,andrewrynhard/kubernetes,alejandroEsc/kubernetes,jackfrancis/kubernetes,PI-Victor/kubernetes,andrewsykim/kubernetes,andrewrynhard/kubernetes,jennybuckley/kubernetes,deads2k/kubernetes,jdef/kubernetes,sethpollack/kubernetes,stevesloka/kubernetes,jagosan/kubernetes,mengqiy/kubernetes,khenidak/kubernetes,jessfraz/kubernetes,nikhita/kubernetes,brendandburns/kubernetes,micahhausler/kubernetes,mfojtik/kubernetes,luxas/kubernetes,Lion-Wei/kubernetes,stevesloka/kubernetes,k82/kubernetes,ConnorDoyle/kubernetes,jennybuckley/kubernetes,humblec/kubernetes,ravisantoshgudimetla/kubernetes,intelsdi-x/kubernetes,JacobTanenbaum/kubernetes,fejta/kubernetes,PI-Victor/kubernetes,mYmNeo/kubernetes,hex108/kubernetes,ping035627/kubernetes,ixdy/kubernetes,mYmNeo/kubernetes,shyamjvs/kubernetes,jdef/kubernetes,dixudx/kubernetes,derekwaynecarr/kubernetes,dlorenc/kubernetes,bparees/kubernetes,tcnghia/kubernetes,hex108/kubernetes,andrewsykim/kubernetes,kevin-wangzefeng/kubernetes,lichuqiang/kubernetes,tallclair/kubernetes,rnaveiras/kubernetes,ping035627/kubernetes,dereknex/kubernetes,ConnorDoyle/kubernetes,kpgriffith/kubernetes,matthyx/kubernetes,tomerf/kubernetes,nak3/kubernetes,pwittrock/kubernetes,erwinvaneyk/kubernetes,thockin/kubernetes,deads2k/kubernetes,jsafrane/kubernetes,mosoft521/kubernetes,brendandburns/kubernetes,MikeSpreitzer/kubernetes,wongma7/kubernetes,tpepper/kubernetes,mml/kubernetes,tpepper/kubernetes,dereknex/kubernetes,mboersma/kubernetes,idvoretskyi/kubernetes,aveshagarwal/kubernetes,coolsvap/kubernetes,chestack/kubernetes,verb/kubernetes,jagosan/kubernetes,iterion/kubernetes,MikeSpreitzer/kubernetes,davidz627/kubernetes,jsafrane/kubernetes,monopole/kubernetes,sanjeevm0/kubernetes,mboersma/kubernetes,coolsvap/kubernetes,maciaszczykm/kubernetes,nikhita/kubernetes,tomzhang/kubernetes,huangjiuyuan/kubernetes,Clarifai/kubernetes,jagosan/kubernetes,linux-on-ibm-z/kubernetes,tomzhang/kubernetes,humblec/kubernetes,feiskyer/kubernetes,csrwng/kubernetes,DiamantiCom/kubernetes,luxas/kubernetes,cofyc/kubernetes,matthyx/kubernetes,dlorenc/kubernetes,MikeSpreitzer/kubernetes,mml/kubernetes,Hui-Zhi/kubernetes,mikedanese/kubernetes,BenTheElder/kubernetes,khenidak/kubernetes,olivierlemasle/kubernetes,kubernetes/kubernetes,pwittrock/kubernetes,warmchang/kubernetes,wanghaoran1988/kubernetes,Lion-Wei/kubernetes,luxas/kubernetes,cantbewong/kubernetes,bizhao/kubernetes,fanzhangio/kubernetes,kitt1987/kubernetes,pmorie/kubernetes,mikebrow/kubernetes,deads2k/kubernetes,xlgao-zju/kubernetes,MHBauer/kubernetes,zhangmingld/kubernetes,mboersma/kubernetes,njuicsgz/kubernetes-1,jingxu97/kubernetes,ravisantoshgudimetla/kubernetes,PiotrProkop/kubernetes,mkumatag/kubernetes,rrati/kubernetes,nak3/kubernetes,zhangmingld/kubernetes,pweil-/kubernetes,jsafrane/kubernetes,klaus1982/kubernetes,aledbf/kubernetes,dereknex/kubernetes,fgimenez/kubernetes,spzala/kubernetes,cmluciano/kubernetes,GulajavaMinistudio/kubernetes,Acidburn0zzz/kubernetes,wongma7/kubernetes,olivierlemasle/kubernetes,wenlxie/kubernetes,pwittrock/kubernetes,yarntime/kubernetes,liggitt/kubernetes,stevesloka/kubernetes,pweil-/kubernetes,bizhao/kubernetes,tallclair/kubernetes,hex108/kubernetes,mengqiy/kubernetes,li-ang/kubernetes,roberthbailey/kubernetes,verb/kubernetes,xychu/kubernetes,tpepper/kubernetes,shyamjvs/kubernetes,kpgriffith/kubernetes,rrati/kubernetes,derekwaynecarr/kubernetes,weiwei04/kubernetes,chestack/kubernetes,derekwaynecarr/kubernetes,k82cn/kubernetes,mikedanese/kubernetes,mboersma/kubernetes,feiskyer/kubernetes,njuicsgz/kubernetes-1,iterion/kubernetes,cadmuxe/kubernetes,ingvagabund/kubernetes,bizhao/kubernetes,tengqm/kubernetes,intelsdi-x/kubernetes,thockin/kubernetes,zetaab/kubernetes,mosoft521/kubernetes,intelsdi-x/kubernetes,tomzhang/kubernetes,kubernetes/kubernetes,liggitt/kubernetes,LalatenduMohanty/kubernetes,tomerf/kubernetes,saad-ali/kubernetes,fejta/kubernetes,tcnghia/kubernetes,mml/kubernetes,pwittrock/kubernetes,kevensen/kubernetes,tengqm/kubernetes,luxas/kubernetes,ravilr/kubernetes,zetaab/kubernetes,gnufied/kubernetes,sanjeevm0/kubernetes,yarntime/kubernetes,lichuqiang/kubernetes,nckturner/kubernetes,verult/kubernetes,jfrazelle/kubernetes,MHBauer/kubernetes,saad-ali/kubernetes,pweil-/kubernetes,pwittrock/kubernetes,dims/kubernetes,mYmNeo/kubernetes,saad-ali/kubernetes,wongma7/kubernetes,intelsdi-x/kubernetes,rrati/kubernetes,frodenas/kubernetes,Hui-Zhi/kubernetes,khenidak/kubernetes,csrwng/kubernetes,cantbewong/kubernetes,yarntime/kubernetes,zhangmingld/kubernetes,bizhao/kubernetes,enj/kubernetes,frodenas/kubernetes,fabriziopandini/kubernetes,mosoft521/kubernetes,alejandroEsc/kubernetes,Acidburn0zzz/kubernetes,bparees/kubernetes,zhangmingld/kubernetes,xlgao-zju/kubernetes,njuicsgz/kubernetes-1,zetaab/kubernetes,chestack/kubernetes,mikedanese/kubernetes,joelsmith/kubernetes,jackfrancis/kubernetes,mahak/kubernetes,derekwaynecarr/kubernetes,JacobTanenbaum/kubernetes,mfojtik/kubernetes,jfrazelle/kubernetes,shyamjvs/kubernetes,pweil-/kubernetes,csrwng/kubernetes,yujuhong/kubernetes,Hui-Zhi/kubernetes,Acidburn0zzz/kubernetes,MikeSpreitzer/kubernetes,weiwei04/kubernetes,huangjiuyuan/kubernetes,coolsvap/kubernetes,ixdy/kubernetes,MHBauer/kubernetes,johscheuer/kubernetes,dims/kubernetes,fabriziopandini/kubernetes,x13n/kubernetes,cantbewong/kubernetes,cantbewong/kubernetes,yujuhong/kubernetes,maciaszczykm/kubernetes,enj/kubernetes,dlorenc/kubernetes,BenTheElder/kubernetes,fanzhangio/kubernetes,jdef/kubernetes,andrewrynhard/kubernetes,verult/kubernetes,mahak/kubernetes,idvoretskyi/kubernetes,nckturner/kubernetes,brendandburns/kubernetes,kevin-wangzefeng/kubernetes,liggitt/kubernetes,tcnghia/kubernetes,tengqm/kubernetes,deads2k/kubernetes,micahhausler/kubernetes,micahhausler/kubernetes,dims/kubernetes,maciaszczykm/kubernetes,pires/kubernetes,DiamantiCom/kubernetes,johscheuer/kubernetes,weiwei04/kubernetes,chestack/kubernetes,kpgriffith/kubernetes,openshift/kubernetes,kevensen/kubernetes,enj/kubernetes,yarntime/kubernetes,rnaveiras/kubernetes,tomerf/kubernetes,roberthbailey/kubernetes,mkumatag/kubernetes,du2016/kubernetes,pires/kubernetes,ravilr/kubernetes,cmluciano/kubernetes,dixudx/kubernetes,cofyc/kubernetes,mml/kubernetes,sanjeevm0/kubernetes,lojies/kubernetes,nak3/kubernetes,spzala/kubernetes,huangjiuyuan/kubernetes,stevesloka/kubernetes,iameli/kubernetes,xychu/kubernetes,soltysh/kubernetes,ii/kubernetes,ping035627/kubernetes,tpepper/kubernetes,joelsmith/kubernetes,tallclair/kubernetes,jfrazelle/kubernetes,yujuhong/kubernetes,bizhao/kubernetes,khenidak/kubernetes,xychu/kubernetes,huangjiuyuan/kubernetes,dereknex/kubernetes,brendandburns/kubernetes,jennybuckley/kubernetes,iameli/kubernetes,weiwei04/kubernetes,wenlxie/kubernetes,kitt1987/kubernetes,huangjiuyuan/kubernetes,micahhausler/kubernetes,mikedanese/kubernetes,ingvagabund/kubernetes,yarntime/kubernetes,olivierlemasle/kubernetes,erwinvaneyk/kubernetes,wongma7/kubernetes,mosoft521/kubernetes,cadmuxe/kubernetes,khenidak/kubernetes,kevin-wangzefeng/kubernetes,JacobTanenbaum/kubernetes,nak3/kubernetes,weiwei04/kubernetes,LalatenduMohanty/kubernetes,cantbewong/kubernetes,mikebrow/kubernetes,linux-on-ibm-z/kubernetes,jfrazelle/kubernetes,ingvagabund/kubernetes,davidz627/kubernetes,krmayankk/kubernetes,Lion-Wei/kubernetes,rnaveiras/kubernetes,warmchang/kubernetes,PiotrProkop/kubernetes,linux-on-ibm-z/kubernetes,pires/kubernetes,mengqiy/kubernetes,ping035627/kubernetes,soltysh/kubernetes,olivierlemasle/kubernetes,k82cn/kubernetes,mahak/kubernetes,dlorenc/kubernetes,mYmNeo/kubernetes,LalatenduMohanty/kubernetes,chrislovecnm/kubernetes,davidz627/kubernetes,JacobTanenbaum/kubernetes,carlory/kubernetes,mkumatag/kubernetes,ravisantoshgudimetla/kubernetes,mboersma/kubernetes,olivierlemasle/kubernetes,tomzhang/kubernetes,wanghaoran1988/kubernetes,MHBauer/kubernetes,nikhita/kubernetes,spzala/kubernetes,cofyc/kubernetes,weiwei04/kubernetes,klaus1982/kubernetes,chestack/kubernetes,andrewsykim/kubernetes,u2takey/kubernetes,tengqm/kubernetes,njuicsgz/kubernetes-1,wenlxie/kubernetes,tallclair/kubernetes,tomzhang/kubernetes,ConnorDoyle/kubernetes,chrislovecnm/kubernetes,aveshagarwal/kubernetes,linux-on-ibm-z/kubernetes,feiskyer/kubernetes,Acidburn0zzz/kubernetes,matthyx/kubernetes,k82cn/kubernetes,ravilr/kubernetes,cadmuxe/kubernetes,mikebrow/kubernetes,johscheuer/kubernetes,rrati/kubernetes,u2takey/kubernetes,BenTheElder/kubernetes,nak3/kubernetes,mfojtik/kubernetes,gnufied/kubernetes,alejandroEsc/kubernetes,cblecker/kubernetes,nckturner/kubernetes,jfrazelle/kubernetes,maciaszczykm/kubernetes,xlgao-zju/kubernetes,sanjeevm0/kubernetes,jingxu97/kubernetes,lojies/kubernetes,kevensen/kubernetes,Clarifai/kubernetes,fejta/kubernetes,chrislovecnm/kubernetes,xlgao-zju/kubernetes,frodenas/kubernetes,ii/kubernetes,jdef/kubernetes,yujuhong/kubernetes,krmayankk/kubernetes,soltysh/kubernetes,carlory/kubernetes,k82/kubernetes,sethpollack/kubernetes,maciaszczykm/kubernetes,cmluciano/kubernetes,kow3ns/kubernetes,ravilr/kubernetes,erwinvaneyk/kubernetes,Clarifai/kubernetes,aledbf/kubernetes,cofyc/kubernetes,frodenas/kubernetes,lojies/kubernetes,cadmuxe/kubernetes,tallclair/kubernetes,k82/kubernetes,zhouhaibing089/kubernetes,cantbewong/kubernetes,PI-Victor/kubernetes,kevensen/kubernetes,cofyc/kubernetes,joelsmith/kubernetes,cmluciano/kubernetes,DiamantiCom/kubernetes