Revert "Upgrade to ZooKeeper 3.4.14"
Revert "Upgrade to ZooKeeper 3.4.14"

vespa-engine/vespa,vespa-engine/vespa,vespa-engine/vespa,vespa-engine/vespa,vespa-engine/vespa,vespa-engine/vespa,vespa-engine/vespa,vespa-engine/vespa,vespa-engine/vespa,vespa-engine/vespa