Merge pull request #3344 from grpc/jtattermusch-patch-3

Remove traces of running zookeeper on jenkins master

tools/jenkins/run_jenkins.sh

@@ -79,7 +79,6 @@ then
     -e "config=$config" \
     -e "language=$language" \
     -e "arch=$arch" \
-    -e "GRPC_ZOOKEEPER_SERVER_TEST=grpc-jenkins-master:2181" \
     -e CCACHE_DIR=/tmp/ccache \
     -i \
     -v "$git_root:/var/local/jenkins/grpc" \