Revert "integration: fix httptest TLS server start"
Revert "integration: fix httptest TLS server start"

This reverts commit 3d3ba8b9cb182e958d8d0c26ac13fff899424fc9.

etcd-io/etcd,sinsharat/etcd,vimalk78/etcd,rnaveiras/etcd,bdarnell/etcd,mkumatag/etcd,lorneli/etcd,cockroachdb/etcd,cockroachdb/etcd,vimalk78/etcd,xiang90/etcd,mqliang/etcd,mkumatag/etcd,coreos/etcd,etcd-io/etcd,glevand/coreos--etcd,dannysauer/etcd,glevand/coreos--etcd,joshix/etcd,etcd-io/etcd,xiang90/etcd,li-ang/etcd,coreos/etcd,joshix/etcd,sebrandon1/etcd,sebrandon1/etcd,rnaveiras/etcd,ajityagaty/etcd,sinsharat/etcd,fanminshi/etcd,gyuho/etcd,dannysauer/etcd,lorneli/etcd,mqliang/etcd,mqliang/etcd,fanminshi/etcd,bdarnell/etcd,rnaveiras/etcd,gyuho/etcd,ajityagaty/etcd,ajityagaty/etcd,mkumatag/etcd,li-ang/etcd