remove redundant comments in test build.go
remove redundant comments in test build.go

Signed-off-by: allencloud <36603fc76d0c5a59db517817381acc1be27b9499@daocloud.io>

ColinHebert/docker,naveed-jamil-tenpearls/moby,kolyshkin/moby,moby/moby,yasiramin10p/moby,mahak/docker,nawawi/docker,darrenstahlmsft/moby,erikh/docker,duglin/docker,hqhq/moby,lixiaobing10051267/docker,trebonian/docker,tonistiigi/docker,ripcurld0/moby,JMesser81/docker,kolyshkin/docker,jvanz/docker,flavio/docker,madhanrm/docker,mikebrow/docker,rancher/docker,tophj-ibm/moby,tophj-ibm/docker,hqhq/moby,resin-io/docker,dmcgowan/docker,allencloud/docker,dims/docker,cpuguy83/docker,AkihiroSuda/docker,dccurtis/docker,sdurrheimer/docker,sarnautov/moby,thaJeztah/docker,laijs/docker,laijs/moby,gschaetz/moby,rhatdan/docker,miminar/docker,gjaskiewicz/moby,yosifkit/docker,whuwxl/docker,allencloud/docker,amatsus/docker,shhsu/docker,rancher/docker,laijs/moby,ffoysal/docker,erikh/docker,mtesselH/docker,tmp6154/docker,bonczj/moby-json-file-logger,resin-io/docker,ndeloof/docker,KingEmet/docker,yosifkit/docker,unclejack/docker,noironetworks/docker,danyalKhaliq10p/moby,x1022as/docker,sdurrheimer/docker,justincormack/docker,duglin/docker,ndeloof/docker,unclejack/docker,trebonian/docker,cpuguy83/docker,srust/docker,jimjag/docker,dsheets/moby,Mokolea/docker,mstanleyjones/docker,Syntaxide/docker,catinthesky/docker,ColinHebert/docker,jimjag/docker,lixiaobing10051267/docker,yosifkit/docker,prertik/docker,moul/docker,madhanrm/docker,amatsus/docker,unclejack/docker,moby/moby,charleszheng44/moby,jthelin/docker,Ramzec/docker,tophj-ibm/docker,maxamillion/docker,KarthikNayak/docker,flavio/docker,rhatdan/docker,haveatry/docker,KingEmet/docker,Ramzec/docker,jvanz/docker,mixja/docker,amatsus/docker,sterchelen/docker,djs55/docker,thaJeztah/docker,mike1729/docker,mike1729/docker,POLJM242/docker,mstanleyjones/docker,SvenDowideit/docker,ibuildthecloud/docker,prertik/docker,shhsu/docker,AkihiroSuda/docker,cyphar/docker,YuPengZTE/docker,nalind/docker,gnailuy/docker,thaJeztah/docker,shishir-a412ed/docker,mahak/docker,charleszheng44/moby,bearstech/moby,nawawi/docker,gnailuy/docker,miminar/docker,jameszhan/docker,jthelin/docker,SvenDowideit/docker,erikh/docker,noironetworks/docker,mikebrow/docker,mahak/docker,allencloud/docker,dperny/docker,justincormack/docker,POLJM242/docker,coreos/docker,bearstech/moby,ffoysal/docker,cyphar/docker,dccurtis/docker,maxamillion/docker,haveatry/docker,konstruktoid/docker-upstream,bonczj/moby-json-file-logger,estesp/docker,konstruktoid/docker-upstream,trebonian/docker,jvanz/docker,catinthesky/docker,lixiaobing1/docker,whuwxl/docker,srust/docker,yummypeng/docker,jameszhan/docker,fcrisciani/docker,ibuildthecloud/docker,hqhq/moby,dperny/docker,JMesser81/docker,kencochrane/docker,coreos/docker,flavio/docker,moby/moby,coolljt0725/docker,Syntaxide/docker,noironetworks/docker,lixiaobing1/docker,vdemeester/docker,PatrickLang/moby,x1022as/docker,nalind/docker,darrenstahlmsft/moby,Mokolea/docker,Ramzec/docker,madhanrm/docker,nalind/docker,gnailuy/docker,fcrisciani/docker,djs55/docker,paralin/docker,srust/docker,docker/docker,jwhonce/docker,resin-io/docker,jlhawn/docker,rhatdan/docker,mixja/docker,yosifkit/docker,pramodhkp/moby,ibuildthecloud/docker,jwhonce/docker,laijs/moby,mixja/docker,dmcgowan/docker,SvenDowideit/docker,JMesser81/docker,jlhawn/docker,jlhawn/docker,tianon/docker,sarnautov/moby,duglin/docker,raja-sami-10p/moby,johnstep/moby-moby,yongtang/docker,ibuildthecloud/docker,nalind/docker,Mokolea/docker,docker/docker,tklauser/docker,jimjag/docker,tklauser/docker,shishir-a412ed/docker,sterchelen/docker,whuwxl/docker,tmp6154/docker,tophj-ibm/moby,diogomonica/docker,cyphar/docker,ripcurld0/moby,tophj-ibm/moby,justincormack/docker,gjaskiewicz/moby,scotttlin/docker,jameszhan/docker,naveed-jamil-tenpearls/moby,imkin/moby,coreos/docker,pradipd/moby,bonczj/moby-json-file-logger,gschaetz/moby,maxamillion/docker,darrenstahlmsft/docker,KarthikNayak/docker,konstruktoid/docker-1,kojiromike/docker,tianon/docker,liaoqingwei/docker,konstruktoid/docker-1,paralin/docker,ColinHebert/docker,KarthikNayak/docker,pramodhkp/moby,Mokolea/docker,diogomonica/docker,scotttlin/docker,tonistiigi/docker,coolljt0725/docker,darrenstahlmsft/moby,yummypeng/docker,moypray/docker,ndeloof/docker,darrenstahlmsft/docker,miminar/docker,prertik/docker,yasiramin10p/moby,jwhonce/docker,catinthesky/docker,paralin/docker,sterchelen/docker,kojiromike/docker,x1022as/docker,KingEmet/docker,darrenstahlmsft/docker,kencochrane/docker,yummypeng/docker,rremer/moby,mkumatag/docker,danyalKhaliq10p/moby,gnailuy/docker,jimjag/docker,johnstep/moby-moby,bearstech/moby,mkumatag/docker,nawawi/docker,kolyshkin/docker,dperny/docker,rremer/moby,pradipd/moby,flavio/docker,sarnautov/moby,crosbymichael/docker,yongtang/docker,rancher/docker,mahak/docker,mtesselH/docker,gschaetz/moby,yasiramin10p/moby,vdemeester/docker,moypray/docker,lixiaobing1/docker,YuPengZTE/docker,johnstep/moby-moby,diogomonica/docker,YuPengZTE/docker,estesp/docker,liaoqingwei/docker,raja-sami-10p/moby,tklauser/docker,konstruktoid/docker-1,Ramzec/docker,dsheets/moby,laijs/docker,imkin/moby,kolyshkin/moby,moul/docker,lixiaobing10051267/docker,dccurtis/docker,shhsu/docker,kojiromike/docker,michael-holzheu/docker,naveed-jamil-tenpearls/moby,michael-holzheu/docker,dmcgowan/docker,mtesselH/docker,moul/docker,PatrickLang/moby,ripcurld0/moby,tonistiigi/docker,ffoysal/docker,paralin/docker,docker/docker,AkihiroSuda/docker,michael-holzheu/docker,fcrisciani/docker,laijs/docker,thaJeztah/docker,pramodhkp/moby,mike1729/docker,trebonian/docker,mstanleyjones/docker,dims/docker,dims/docker,Syntaxide/docker,coolljt0725/docker,dsheets/moby,crosbymichael/docker,danyalKhaliq10p/moby,mkumatag/docker,kencochrane/docker,pradipd/moby,ibuildthecloud/docker,PatrickLang/moby,cpuguy83/docker,tmp6154/docker,nawawi/docker,haveatry/docker,konstruktoid/docker-upstream,konstruktoid/docker-upstream,estesp/docker,scotttlin/docker,mikebrow/docker,cpuguy83/docker,liaoqingwei/docker,yongtang/docker,moypray/docker,vdemeester/docker,moby/moby,shishir-a412ed/docker,AkihiroSuda/docker,charleszheng44/moby,gjaskiewicz/moby,bearstech/moby,sdurrheimer/docker,rremer/moby,moul/docker,imkin/moby,crosbymichael/docker,kolyshkin/moby,raja-sami-10p/moby,djs55/docker,tophj-ibm/docker