raft: remove vestigial canStep
raft: remove vestigial canStep

dannysauer/etcd,rnaveiras/etcd,giantswarm/etcd,jlamillan/etcd,jravetch/etcd,gyuho/etcd,csuideal/etcd,etcd-io/etcd,gtank/etcd,Timer/etcd,qqsun8819/etcd,yichengq/etcd,whuwxl/etcd,spacejam/etcd,gouyang/etcd,chenbaihu/etcd,StorReduce/etcd,openedbox/etcd,sayden/etcd,robszumski/etcd,cockroachdb/etcd,snailwalker/etcd,qiaochao911/etcd,xychu/etcd,qqsun8819/etcd,OyTao/etcd_learning,svdata/etcd,plasticbox/etcd,chenbaihu/etcd,Winslett/etcd,luxas/etcd,westhood/etcd,pengzj/etcd,es-chow/etcd,jchauncey/etcd,mkumatag/etcd,beni55/etcd,bspline/etcd,arthurcolle/etcd,cchamplin/etcd,cockroachdb/etcd,onlyjob/etcd,snailwalker/etcd,lorneli/etcd,ajityagaty/etcd,bspline/etcd,swingbach/etcd,tguangch/etcd,svdata/etcd,ktateish/etcd,fasaxc/etcd,fanminshi/etcd,csuideal/etcd,fanminshi/etcd,nekto0n/etcd,polvi/etcd,yifan-gu/etcd,mkumatag/etcd,siddontang/etcd,fasaxc/etcd,purpleidea/etcd,zaphod-concur/etcd,jlamillan/etcd,handsomesun/etcd,sofuture/etcd,gae123/etcd,wantonsolutions/dinv-etcd,freeloop1114/etcd,Eagle-X/etcd,junxu/etcd,dannysauer/etcd,axingblog/etcd,chai2010-playground/etcd,chipironcin/etcd,sayden/etcd,Yhgenomics/etcd,xebitstudios/etcd,CrazyJvm/etcd,YuleiXiao/etcd,HideoYamauchi/etcd,youxidev/etcd,olark/etcd,barakmich/etcd,bluebreezecf/etcd,kkaneda/etcd,coreos/etcd,chai2010-playground/etcd,luxas/etcd,hroyrh/etcd,mike-lerch/etcd,xychu/etcd,xdlinear/etcd,elimisteve/etcd,achanda/etcd,mickep76/etcd,mwitkow-io/etcd,mqliang/etcd,betawaffle/etcd,njucslqq/etcd,ktateish/etcd,linuxcer/etcd,delkyd/etcd,ecnahc515/etcd,nieanan/etcd,Winslett/etcd,steveeJ/etcd,jeremyeder/etcd,cchamplin/etcd,nkhare/etcd,ajityagaty/etcd,justintung/etcd,kkaneda/etcd,es-chow/etcd,armstrongli/etcd,njharman/etcd,mike-lerch/etcd,wowsoso/etcd,rnaveiras/etcd,ravigadde/etcd,bakins/etcd,sebrandon1/etcd,SivagnanamCiena/etcd,dnaeon/etcd,endocode/etcd,rchicoli/etcd,visheshnp/etcd,linuxcer/etcd,lorneli/etcd,shawnps/etcd,mqliang/etcd,lzbgt/etcd,mgoelzer/etcd-fork2,imzhulei/etcd,barakmich/etcd,QuantiumTechnology/etcd,insionng/etcd,mwitkow-io/etcd,xebitstudios/etcd,fgbreel/etcd,mwitkow/etcd,TheHippo/etcd,devfreesg/etcd,chai2010/etcd,msanterre/etcd,Yhgenomics/etcd,tangkun75/etcd,vimalk78/etcd,gosharplite/etcd,beni55/etcd,wantonsolutions/dinv-etcd,princeqjzh/etcd,kingland/etcd,jonboulle/etcd,OyTao/etcd_learning,HideoYamauchi/etcd,arthurcolle/etcd,tamird/etcd,hroyrh/etcd,li-ang/etcd,jmptrader/etcd,jravetch/etcd,insionng/etcd,YuleiXiao/etcd,zaphod-concur/etcd,yyljlyy/etcd,hpcloud/etcd,tguangch/etcd,mickep76/etcd,yudai/etcd,jefby/etcd,lumjjb/etcd,improbable-io/etcd,justintung/etcd,xueshanf/etcd,sinsharat/etcd,offscale/etcd,iamqizhao/etcd,pauldallen/etcd,buaazp/etcd,rnaveiras/etcd,honeyqa/etcd,wantonsolutions/dinv-etcd,li-ang/etcd,gityf/etcd,axingblog/etcd,jchauncey/etcd,ravigadde/etcd,nieanan/etcd,giantswarm/etcd,combk8s/etcd,dnaeon/etcd,gyuho/etcd,etcd-io/etcd,buaazp/etcd,wfxiang08/etcd,ajityagaty/etcd,asim/etcd,wfxiang08/etcd,shakefu/etcd,handsomesun/etcd,shakefu/etcd,CrazyJvm/etcd,devfreesg/etcd,Timer/etcd,SivagnanamCiena/etcd,olark/etcd,glensc/etcd,etcd-io/etcd,delkyd/etcd,pengzj/etcd,sinsharat/etcd,xdlinear/etcd,glycerine/etcd,TheHippo/etcd,bluebreezecf/etcd,nekto0n/etcd,joshix/etcd,plasticbox/etcd,heyitsanthony/etcd,tempbottle/etcd,chipironcin/etcd,Eagle-X/etcd,pauldallen/etcd,crandles/etcd,QuantiumTechnology/etcd,xiang90/etcd,yyljlyy/etcd,robszumski/etcd,glycerine/etcd,glensc/etcd,tangkun75/etcd,oscarrr110/etcd,achanda/etcd,chai2010/etcd,kingland/etcd,offscale/etcd,insequent/etcd,xiang90/etcd,imzhulei/etcd,gityf/etcd,asim/etcd,sebschrader/etcd,hzy001/etcd,ecnahc515/etcd,dalanlan/etcd,gouyang/etcd,coreos/etcd,hongbinz/etcd,nkhare/etcd,honeyqa/etcd,oscarrr110/etcd,polvi/etcd,mwitkow/etcd,shawnps/etcd,glevand/coreos--etcd,dterei/etcd,bakins/etcd,rchicoli/etcd,sebschrader/etcd,hzy001/etcd,akauppi/etcd,hongchaodeng/etcd,combk8s/etcd,tamird/etcd,hongbinz/etcd,pigfoot/etcd,armstrongli/etcd,purpleidea/etcd,a-robinson/etcd,visheshnp/etcd,yudai/etcd,betawaffle/etcd,openedbox/etcd,lumjjb/etcd,sofuture/etcd,mischief/etcd,jonboulle/etcd,gosharplite/etcd,mgoelzer/etcd-fork2,youxidev/etcd,raoofm/etcd,njharman/etcd,dterei/etcd,westhood/etcd,shafreeck/etcd,siddontang/etcd,tempbottle/etcd,jeremyeder/etcd,bdarnell/etcd,insequent/etcd,iamqizhao/etcd,elimisteve/etcd,fgbreel/etcd,swingbach/etcd,xueshanf/etcd,njucslqq/etcd,raoofm/etcd,endocode/etcd,vimalk78/etcd,freeloop1114/etcd,cognusion/etcd,whuwxl/etcd,junxu/etcd,glevand/coreos--etcd,StorReduce/etcd,akauppi/etcd,yichengq/etcd,msanterre/etcd,yifan-gu/etcd,sebrandon1/etcd,heyitsanthony/etcd,onlyjob/etcd,hongchaodeng/etcd,ylong/etcd,bdarnell/etcd,jefby/etcd,qiaochao911/etcd,joshix/etcd,princeqjzh/etcd,dalanlan/etcd,mkumatag/etcd,ylong/etcd,hpcloud/etcd,wowsoso/etcd,mitake/etcd,mitake/etcd,gtank/etcd,fasaxc/etcd,steveeJ/etcd,jmptrader/etcd,cognusion/etcd,gae123/etcd,mqliang/etcd,spacejam/etcd,improbable-io/etcd,crandles/etcd,a-robinson/etcd,shafreeck/etcd,mischief/etcd,lzbgt/etcd