backport of commit 87038bb672 (#15364)

Co-authored-by: Derek Menteer <derek.menteer@hashicorp.com>

test/integration/connect/envoy/consul-base-cfg/peering_server.hcl

@@ -1,6 +0,0 @@
-ports {
-    grpc_tls = 8503
-}
-connect {
-    enabled = true
-}

test/integration/connect/envoy/run-tests.sh

@@ -104,13 +104,6 @@ function init_workdir {
     mv workdir/${CLUSTER}/consul/server.hcl workdir/${CLUSTER}/consul-server/server.hcl
   fi
 
-  if test -f "workdir/${CLUSTER}/consul/peering_server.hcl" -a $REQUIRE_PEERS = "1"
-  then
-    mv workdir/${CLUSTER}/consul/peering_server.hcl workdir/${CLUSTER}/consul-server/peering_server.hcl
-  else
-    rm workdir/${CLUSTER}/consul/peering_server.hcl
-  fi
-
   # copy the ca-certs for SDS so we can verify the right ones are served
   mkdir -p workdir/test-sds-server/certs
   cp test-sds-server/certs/ca-root.crt workdir/test-sds-server/certs/ca-root.crt