fix(etcd): remove duplicate DataDir setup
fix(etcd): remove duplicate DataDir setup

In the refactor of the configuration and flags I think that we
accidently placed this logic twice. The side effect is that we always
ended up with a `.etcd` directory.

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