Documentation: removed an extra step for testing etcd
Documentation: removed an extra step for testing etcd

removed an extra step for testing etce build that might confuse the user of the flow. minimal editing to the doc

gyuho/etcd,mqliang/etcd,visheshnp/etcd,YuleiXiao/etcd,dannysauer/etcd,heyitsanthony/etcd,bluebreezecf/etcd,mqliang/etcd,mkumatag/etcd,sinsharat/etcd,mickep76/etcd,bluebreezecf/etcd,whuwxl/etcd,sebrandon1/etcd,bdarnell/etcd,lorneli/etcd,glevand/coreos--etcd,gyuho/etcd,mickep76/etcd,a-robinson/etcd,ajityagaty/etcd,rnaveiras/etcd,visheshnp/etcd,rnaveiras/etcd,armstrongli/etcd,joshix/etcd,etcd-io/etcd,lorneli/etcd,YuleiXiao/etcd,mqliang/etcd,sebrandon1/etcd,xiang90/etcd,bdarnell/etcd,cockroachdb/etcd,whuwxl/etcd,akauppi/etcd,cockroachdb/etcd,coreos/etcd,sinsharat/etcd,vimalk78/etcd,vimalk78/etcd,heyitsanthony/etcd,xiang90/etcd,glevand/coreos--etcd,akauppi/etcd,fanminshi/etcd,armstrongli/etcd,mkumatag/etcd,ajityagaty/etcd,coreos/etcd,joshix/etcd,a-robinson/etcd,li-ang/etcd,mkumatag/etcd,li-ang/etcd,etcd-io/etcd,etcd-io/etcd,rnaveiras/etcd,fanminshi/etcd,ajityagaty/etcd,dannysauer/etcd