docs: remove build instructions from README
docs: remove build instructions from README

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