Remove unused ctx from v1Pusher
Remove unused ctx from v1Pusher

Signed-off-by: Alexander Morozov <4efb7da3e38416208b41d8021a942884d8a9435c@docker.com>

madhanrm/docker,thtanaka/docker,trebonian/docker,pyotr777/docker,liaoqingwei/docker,nghiant2710/docker,erikstmartin/docker,dsau/docker,yp-engineering/docker,troy0820/docker.github.io,BenHall/docker,maxamillion/docker,alfred-landrum/docker,ripcurld0/moby,gnailuy/docker,JimGalasyn/docker.github.io,tpounds/docker,diogomonica/docker,Tenk42/docker,rancher/docker,tophj-ibm/docker,Microsoft/docker,tmp6154/docker,kunalkushwaha/docker,jongiddy/docker,konstruktoid/docker-1,POLJM242/docker,coreos/docker,mtesselH/docker,ajaymdesai/docker,noironetworks/docker,scollier/docker,zhuguihua/docker,DoraALin/docker,afein/docker,mkumatag/docker,justincormack/docker,bdwill/docker.github.io,raja-sami-10p/moby,shhsu/docker,yosifkit/docker,sfsmithcha/docker,Microsoft/docker,thaJeztah/docker.github.io,dnephin/docker,danix800/docker.github.io,vdemeester/docker,gschaetz/moby,lixiaobing10051267/docker,joaofnfernandes/docker.github.io,geekylucas/docker,charleszheng44/moby,mike1729/docker,jwhonce/docker,medallia/docker,jecarey/docker,johnstep/docker.github.io,ailispaw/docker,msabansal/docker,ajaymdesai/docker,HackToday/docker,msabansal/docker,docker/docker.github.io,naveed-jamil-tenpearls/moby,denverdino/docker.github.io,darrenstahlmsft/docker,yummypeng/docker,brahmaroutu/docker,JMesser81/docker,alexisbellido/docker.github.io,abhinavdahiya/docker,SvenDowideit/docker,danix800/docker.github.io,vdemeester/docker,jzwlqx/denverdino.github.io,trebonian/docker,phiroict/docker,hqhq/moby,TheBigBear/docker,justyntemme/docker,dperny/docker,contiv/docker,erikh/docker,bluebreezecf/docker,solganik/docker,sanscontext/docker.github.io,joaofnfernandes/docker.github.io,catinthesky/docker,projectatomic/docker,rhatdan/storage,rillig/docker.github.io,tkopczynski/docker,bfirsh/docker,diogomonica/docker,mtesselH/docker,nalind/docker,jwhonce/docker,laijs/docker,bonczj/moby-json-file-logger,nawawi/docker,estesp/docker,moul/docker,umerazad/docker,sheimi/docker,miminar/docker,miminar/docker,resin-io/docker,jimjag/docker,medallia/docker,whuwxl/docker,kolyshkin/docker,asbjornenge/docker,tagomoris/docker,gdevillele/docker.github.io,Ramzec/docker,liaoqingwei/docker,gdevillele/docker.github.io,docker-zh/docker.github.io,KingEmet/docker,noironetworks/docker,yummypeng/docker,ivansaracino/docker,jameszhan/docker,TrumanLing/docker,JimGalasyn/docker.github.io,pecameron/docker,sunyuan3/docker,darrenstahlmsft/docker,q384566678/docker,13W/docker,erikh/docker,nghiant2710/docker,Tenk42/docker,jlhawn/docker,thtanaka/docker,pecameron/docker,Tenk42/docker,hustcat/docker,mikebrow/docker,kolyshkin/docker,konstruktoid/docker-upstream,Mashimiao/docker,cpuguy83/docker,jvanz/docker,allencloud/docker,shubheksha/docker.github.io,bdwill/docker.github.io,jvanz/docker,mstanleyjones/docker,JMesser81/docker,wenchma/docker,harche/docker,gjaskiewicz/moby,nguyentm83/docker,mstanleyjones/docker,Ramzec/docker,Morsicus/docker,x1022as/docker,sarnautov/moby,runcom/docker,bfirsh/docker,noxiouz/docker,thaJeztah/docker,madhanrm/docker,rhatdan/docker,gschaetz/moby,kunalkushwaha/docker,jongiddy/docker,gnailuy/docker,mike1729/docker,umerazad/docker,jimjag/docker,londoncalling/docker.github.io,zhuguihua/docker,KarthikNayak/docker,crosbymichael/docker,bonczj/moby-json-file-logger,laijs/moby,laijs/docker,q384566678/docker,docker/docker.github.io,tpounds/docker,willmtemple/docker,ajaymdesai/docker,denverdino/denverdino.github.io,bfirsh/docker,LuisBosquez/docker.github.io,dims/docker,imkin/moby,charleswhchan/docker,nguyentm83/docker,ivansaracino/docker,mgoelzer/docker,ibuildthecloud/docker,mstanleyjones/docker,pyotr777/docker,kerneltime/docker,cloudflare/docker,Syntaxide/docker,nalind/docker,ndeloof/docker,HideoYamauchi/docker,estesp/docker,jimjag/docker,contiv/docker,mahak/docker,TheBigBear/docker,konstruktoid/docker-upstream,xiekeyang/docker,mtanlee/docker,prertik/docker,sanscontext/docker.github.io,cr7pt0gr4ph7/docker,abhinavdahiya/docker,coreos/docker,sterchelen/docker,rhardih/docker,yasiramin10p/moby,charleszheng44/moby,fcrisciani/docker,toli/docker,prertik/docker,joeuo/docker.github.io,sean-jc/docker,denverdino/docker.github.io,haveatry/docker,justincormack/docker,HackToday/docker,xiaods/docker,denverdino/denverdino.github.io,HideoYamauchi/docker,yongtang/docker,catinthesky/docker,moypray/docker,sarnautov/moby,djs55/docker,Altiscale/docker,afein/docker,erikstmartin/docker,mohmost12/docker,mixja/docker,scotttlin/docker,menglingwei/denverdino.github.io,michael-holzheu/docker,mkumatag/docker,johnstep/moby-moby,lixiaobing1/docker,inatatsu/docker,paralin/docker,yasiramin10p/moby,johnstep/docker.github.io,JMesser81/docker,bearstech/moby,rkazak/docker,rremer/moby,anujbahuguna/docker,darrenstahlmsft/moby,errordeveloper/docker,cyphar/docker,ckeyer/docker,justyntemme/docker,BSWANG/denverdino.github.io,inatatsu/docker,shin-/docker.github.io,ndeloof/docker,splunk/docker,flavio/docker,liaoqingwei/docker,mathewkoshy493/docker,alfred-landrum/docker,paralin/docker,scotttlin/docker,scotttlin/docker,pramodhkp/moby,mike1729/do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/docker,shhsu/docker,portworx/docker,jlhawn/docker,cpuguy83/docker,hqhq/moby,cyli/docker,tophj-ibm/moby,mgoelzer/docker,containers/storage,stainboy/docker,yosifkit/docker,nalind/docker,achanda/docker,konstruktoid/docker-1,PatrickLang/moby,YujiOshima/docker,tkopczynski/docker,imkin/moby,jhorwit2/docker,thaJeztah/docker,lixiaobing1/docker,whuwxl/docker,ColinHebert/docker,stainboy/docker,dmcgowan/docker,danyalKhaliq10p/moby,yosifkit/docker,JimGalasyn/docker.github.io,jongiddy/docker,icaoweiwei/docker,lixiaobing10051267/docker,nghiant2710/docker,mixja/docker,mohmost12/docker,bdwill/docker.github.io,isubuz/docker,londoncalling/docker.github.io,erikstmartin/docker,pradipd/moby,moxiegirl/docker,ckeyer/docker,johnstep/moby-moby,13W/docker,OnePaaS/docker,DoraALin/docker,ckeyer/docker,Microsoft/docker,joaofnfernandes/docker.github.io,eskaaren/docker,bdwill/docker.github.io,imkin/moby,resin-io/docker,wenchma/docker,anujbahuguna/docker,isubuz/docker,denverdino/docker.github.io,ibuildthecloud/docker,shin-/docker.github.io,yasiramin10p/moby,moby/moby,amatsus/docker,coolljt0725/docker,danix800/docker.github.io,asbjornenge/docker,anweiss/docker.github.io,jhorwit2/docker,twaugh/docker,dgageot/docker,toli/docker,docker-zh/docker.github.io,asbjornenge/docker,zhuguihua/docker,Mashimiao/docker,troy0820/docker.github.io,srust/docker,rkazak/docker,michael-holzheu/docker,dperny/docker,anweiss/docker.github.io,lixiaobing1/docker,aduermael/docker.github.io,dongjoon-hyun/docker,ffoysal/docker,jwhonce/docker,shubheksha/docker.github.io,alfred-landrum/docker,xuxinkun/docker,BSWANG/denverdino.github.io,mahak/docker,docker/docker,willmtemple/docker,tkopczynski/docker,djs55/docker,anujbahuguna/docker,cyphar/docker,gjaskiewicz/moby,jimjag/docker,inatatsu/docker,LaynePeng/docker,rillig/docker.github.io,sdurrheimer/docker,ibuildthecloud/docker,sunyuan3/docker,michelvocks/docker,jthelin/docker,Syntaxide/docker,kencochrane/docker,Syntaxide/docker,joaofnfernandes/docker.github.io,estesp/docker,moypray/docker,mtrmac/docker,mtesselH/docker,docker-zh/docker.github.io,jzwlqx/denverdino.github.io,allencloud/docker,xiekeyang/docker,gdevillele/docker.github.io,coolljt0725/docker,srust/docker,anortef/docker,anweiss/docker.github.io,JimGalasyn/docker.github.io,denverdino/denverdino.github.io,catinthesky/docker,rancher/docker,moby/moby,jlebon/docker,ZJU-SEL/docker,endophage/docker,kolyshkin/moby,dgageot/docker,BenHall/docker,sunyuan3/docker,icaoweiwei/docker,tianon/docker,sterchelen/docker,gdevillele/docker.github.io,AkihiroSuda/docker,justincormack/docker,duglin/docker,dccurtis/docker,umerazad/docker,docker/docker.github.io,dccurtis/docker,dims/docker,gdevillele/docker.github.io,joeuo/docker.github.io,gschaetz/moby,phiroict/docker,13W/docker,phiroict/docker,bearstech/moby,solganik/docker,thaJeztah/docker.github.io,bonczj/moby-json-file-logger,resin-io/docker,coolljt0725/docker,darrenstahlmsft/docker,HackToday/docker,diogomonica/docker,ivansaracino/docker,shhsu/docker,toli/docker,konstruktoid/docker-upstream,whuwxl/docker,SvenDowideit/docker,POLJM242/docker,jvanz/docker,kojiromike/docker,mgoelzer/docker,thtanaka/docker,ripcurld0/moby,BSWANG/denverdino.github.io,sdurrheimer/docker,tklauser/docker,cloudflare/docker,maxamillion/docker,mohmost12/docker,HuKeping/docker,Mokolea/docker,runcom/docker,mtanlee/docker,michelvocks/docker,mtrmac/docker,xuxinkun/docker,LuisBosquez/docker.github.io,yongtang/docker,BenHall/docker,kerneltime/docker,stevvooe/docker,raja-sami-10p/moby,tonistiigi/docker,cyli/docker,nawawi/docker,kencochrane/docker,harche/docker,sarnautov/moby,jzwlqx/denverdino.github.io,14rcole/docker,aduermael/docker.github.io,duglin/docker,moby/moby,LuisBosquez/docker.github.io,vdemeester/docker,duglin/docker,paralin/docker,allencloud/docker,alexisbellido/docker.github.io,dsheets/moby,moul/docker,kunalkushwaha/docker,14rcole/docker,rillig/docker.github.io,paralin/docker,SvenDowideit/docker,cnaize/docker,kojiromike/docker,dongjoon-hyun/docker,aduermael/docker.github.io,medallia/docker,menglingwei/denverdino.github.io,twaugh/docker,sanscontext/docker.github.io,danyalKhaliq10p/moby,prertik/docker,mahak/docker,dsheets/moby,menglingwei/denverdino.github.io,jecarey/docker,mathewkoshy493/docker,tmp6154/docker,PatrickLang/moby,tonistiigi/docker,LuisBosquez/docker.github.io,sanscontext/docker.github.io,londoncalling/docker.github.io,bluebreezecf/docker,Ramzec/docker,sterchelen/docker,sfsmithcha/docker,harche/docker,unclejack/docker,justyntemme/docker,shubheksha/docker.github.io,shubheksha/docker.github.io,maxamillion/docker,stainboy/docker,JimGalasyn/docker.github.io,unclejack/docker,Altiscale/docker,HuKeping/docker,cpuguy83/docker,crosbymichael/docker,YujiOshima/docker,YuPengZTE/docker,yp-engineering/docker,danix800/docker.github.io,alexisbellido/docker.github.io,amatsus/docker,dgageot/docker,nawawi/docker,ailispaw/docker,bearstech/moby,lixiaobing10051267/docker,rremer/moby,haveatry/docker,djs55/docker,tophj-ibm/docker,konstruktoid/docker-upstream,cr7pt0gr4ph7/docker,projectatomic/docker