remove unused error ErrPendingSwarmExists
remove unused error ErrPendingSwarmExists

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

harche/docker,madhanrm/docker,thaJeztah/docker,darrenstahlmsft/moby,nawawi/docker,unclejack/docker,rancher/docker,thaJeztah/docker,gschaetz/moby,miminar/docker,hqhq/moby,michael-holzheu/docker,jwhonce/docker,SvenDowideit/docker,vdemeester/docker,konstruktoid/docker-upstream,docker/docker,ndeloof/docker,pramodhkp/moby,yosifkit/docker,whuwxl/docker,rancher/docker,haveatry/docker,x1022as/docker,jvanz/docker,dgageot/docker,kojiromike/docker,fcrisciani/docker,darrenstahlmsft/docker,nalind/docker,yongtang/docker,jvanz/docker,gnailuy/docker,Ramzec/docker,shhsu/docker,shhsu/docker,ffoysal/docker,charleszheng44/moby,miminar/docker,mahak/docker,yosifkit/docker,djs55/docker,unclejack/docker,flavio/docker,ripcurld0/moby,ColinHebert/docker,cpuguy83/docker,erikh/docker,ripcurld0/moby,mike1729/docker,mkumatag/docker,nawawi/docker,alfred-landrum/docker,x1022as/docker,HideoYamauchi/docker,unclejack/docker,crosbymichael/docker,rremer/moby,kolyshkin/docker,naveed-jamil-tenpearls/moby,konstruktoid/docker-upstream,dperny/docker,ibuildthecloud/docker,trebonian/docker,cpuguy83/docker,kolyshkin/moby,fcrisciani/docker,yosifkit/docker,sterchelen/docker,coolljt0725/docker,tklauser/docker,maxamillion/docker,bearstech/moby,thtanaka/docker,estesp/docker,michael-holzheu/docker,konstruktoid/docker-1,yasiramin10p/moby,darrenstahlmsft/moby,AkihiroSuda/docker,catinthesky/docker,jthelin/docker,ibuildthecloud/docker,cyphar/docker,KarthikNayak/docker,sarnautov/moby,mixja/docker,gschaetz/moby,kolyshkin/moby,ibuildthecloud/docker,coreos/docker,vdemeester/docker,tonistiigi/docker,flavio/docker,thtanaka/docker,laijs/moby,gnailuy/docker,raja-sami-10p/moby,konstruktoid/docker-upstream,yummypeng/docker,jimjag/docker,jameszhan/docker,madhanrm/docker,rremer/moby,paralin/docker,mtesselH/docker,laijs/moby,michael-holzheu/docker,amatsus/docker,xuxinkun/docker,charleszheng44/moby,dims/docker,laijs/docker,pradipd/moby,mixja/docker,resin-io/docker,noironetworks/docker,trebonian/docker,naveed-jamil-tenpearls/moby,jlhawn/docker,JMesser81/docker,jimjag/docker,maxamillion/docker,moypray/docker,kencochrane/docker,danyalKhaliq10p/moby,gjaskiewicz/moby,dmcgowan/docker,alfred-landrum/docker,jameszhan/docker,konstruktoid/docker-1,raja-sami-10p/moby,kolyshkin/moby,POLJM242/docker,erikstmartin/docker,tonistiigi/docker,dperny/docker,PatrickLang/moby,moby/moby,moul/docker,mixja/docker,AkihiroSuda/docker,pradipd/moby,dsheets/moby,shishir-a412ed/docker,duglin/docker,scotttlin/docker,dsheets/moby,dccurtis/docker,gjaskiewicz/moby,johnstep/moby-moby,mkumatag/docker,estesp/docker,rhatdan/docker,yosifkit/docker,jvanz/docker,coolljt0725/docker,sdurrheimer/docker,moul/docker,Ramzec/docker,sdurrheimer/docker,srust/docker,pramodhkp/moby,akira-baruah/docker,sarnautov/moby,charleszheng44/moby,tmp6154/docker,darrenstahlmsft/docker,justincormack/docker,mtesselH/docker,SvenDowideit/docker,rhatdan/docker,ffoysal/docker,jlhawn/docker,stevvooe/docker,YuPengZTE/docker,ibuildthecloud/docker,moul/docker,kencochrane/docker,sterchelen/docker,moypray/docker,kojiromike/docker,darrenstahlmsft/moby,tmp6154/docker,rremer/moby,prertik/docker,yummypeng/docker,PatrickLang/moby,tmp6154/docker,Mokolea/docker,PatrickLang/moby,yongtang/docker,haveatry/docker,dccurtis/docker,amatsus/docker,nawawi/docker,whuwxl/docker,xuxinkun/docker,kojiromike/docker,mahak/docker,dccurtis/docker,qudongfang/docker,thaJeztah/docker,rhatdan/docker,Mokolea/docker,x1022as/docker,jimjag/docker,ColinHebert/docker,tklauser/docker,danyalKhaliq10p/moby,whuwxl/docker,nalind/docker,mike1729/docker,danyalKhaliq10p/moby,bonczj/moby-json-file-logger,shishir-a412ed/docker,mikedougherty/docker,sdurrheimer/docker,erikh/docker,mstanleyjones/docker,ripcurld0/moby,harche/docker,bonczj/moby-json-file-logger,fcrisciani/docker,konstruktoid/docker-1,q384566678/docker,crosbymichael/docker,dgageot/docker,Mokolea/docker,KarthikNayak/docker,cyphar/docker,vdemeester/docker,HideoYamauchi/docker,qudongfang/docker,mikebrow/docker,liaoqingwei/docker,KingEmet/docker,bearstech/moby,pramodhkp/moby,jwhonce/docker,yummypeng/docker,alfred-landrum/docker,bonczj/moby-json-file-logger,qudongfang/docker,kolyshkin/docker,laijs/docker,JMesser81/docker,noironetworks/docker,Syntaxide/docker,johnstep/moby-moby,tonistiigi/docker,laijs/docker,coreos/docker,jlhawn/docker,djs55/docker,dgageot/docker,docker/docker,Ramzec/docker,q384566678/docker,jthelin/docker,gjaskiewicz/moby,dims/docker,harche/docker,Mokolea/docker,thtanaka/docker,yongtang/docker,ndeloof/docker,KingEmet/docker,diogomonica/docker,ColinHebert/docker,johnstep/moby-moby,duglin/docker,gschaetz/moby,stevvooe/docker,cpuguy83/docker,tophj-ibm/docker,crosbymichael/docker,gnailuy/docker,bearstech/moby,imkin/moby,madhanrm/docker,shishir-a412ed/docker,Ramzec/docker,jwhonce/docker,sarnautov/moby,tophj-ibm/moby,mahak/docker,lixiaobing1/docker,imkin/moby,allencloud/docker,tklauser/docker,ndeloof/docker,mstanleyjones/docker,dperny/docker,xuxinkun/docker,ibuildthecloud/docker,gnailuy/docker,moul/docker,akira-baruah/docker,raja-sami-10p/moby,q384566678/docker,SvenDowideit/docker,maxamillion/docker,liaoqingwei/docker,moypray/docker,lixiaobing10051267/docker,scotttlin/docker,tianon/docker,mkumatag/docker,prertik/docker,nalind/docker,mikebrow/docker,allencloud/docker,miminar/docker,Syntaxide/docker,YuPengZTE/docker,estesp/docker,naveed-jamil-tenpearls/moby,KarthikNayak/docker,mikebrow/docker,scotttlin/docker,paralin/docker,moby/moby,konstruktoid/docker-upstream,prertik/docker,tophj-ibm/moby,catinthesky/docker,mikedougherty/docker,resin-io/docker,dsheets/moby,erikh/docker,imkin/moby,resin-io/docker,liaoqingwei/docker,Syntaxide/docker,rancher/docker,mahak/docker,KingEmet/docker,haveatry/docker,moby/moby,JMesser81/docker,paralin/docker,justincormack/docker,thaJeztah/docker,moby/moby,hqhq/moby,pradipd/moby,shhsu/docker,jimjag/docker,lixiaobing1/docker,AkihiroSuda/docker,ffoysal/docker,nalind/docker,coreos/docker,justincormack/docker,mtesselH/docker,diogomonica/docker,tophj-ibm/docker,erikstmartin/docker,mike1729/docker,lixiaobing1/docker,flavio/docker,nawawi/docker,tophj-ibm/docker,jameszhan/docker,trebonian/docker,darrenstahlmsft/docker,noironetworks/docker,dmcgowan/docker,cpuguy83/docker,duglin/docker,YuPengZTE/docker,mstanleyjones/docker,POLJM242/docker,hqhq/moby,bearstech/moby,coolljt0725/docker,cyphar/docker,yasiramin10p/moby,stevvooe/docker,tianon/docker,srust/docker,dmcgowan/docker,sterchelen/docker,docker/docker,diogomonica/docker,kencochrane/docker,lixiaobing10051267/docker,amatsus/docker,yasiramin10p/moby,HideoYamauchi/docker,laijs/moby,catinthesky/docker,lixiaobing10051267/docker,flavio/docker,allencloud/docker,srust/docker,AkihiroSuda/docker,djs55/docker,paralin/docker,tophj-ibm/moby,mikedougherty/docker,dims/docker,erikstmartin/docker,trebonian/docker