Do not remove replication.jar from multi-site test sites

The replication.jar is still needed in the multi-site setup
because it provides the base classes that the pull-replication plugin
relies on.

Change-Id: I42ce0f40d811f895c4a3f5fef0998f7be1e3ea95

setup_local_env/setup.sh

diff --git a/setup_local_env/setup.sh b/setup_local_env/setup.sh
index ce517e5..5a954a9 100755
--- a/setup_local_env/setup.sh
+++ b/setup_local_env/setup.sh
@@ -578,12 +578,8 @@
 
 echo "Re-deploying configuration files"
 deploy_config_files $GERRIT_1_HOSTNAME $GERRIT_1_HTTPD_PORT $GERRIT_1_SSHD_PORT $GERRIT_2_HOSTNAME $GERRIT_2_HTTPD_PORT $GERRIT_2_SSHD_PORT
-echo "Remove replication plugin from gerrit site 1"
-rm $LOCATION_TEST_SITE_1/plugins/replication.jar
 echo "Starting gerrit site 1"
 $LOCATION_TEST_SITE_1/bin/gerrit.sh restart
-echo "Remove replication plugin from gerrit site 2"
-rm $LOCATION_TEST_SITE_2/plugins/replication.jar
 echo "Starting gerrit site 2"
 $LOCATION_TEST_SITE_2/bin/gerrit.sh restart