@Override
  public ServiceConfigVersionResponse addDesiredConfig(String user, Set<Config> configs) throws AmbariException {
    return addDesiredConfig(user, configs, null);
  }
Deletes the specified service also removes references to it from {@link this.serviceComponentHosts}
and references to ServiceComponentHost objects that belong to the service from {@link this.serviceComponentHostsByHost}
<p>
  Note: This method must be called only with write lock acquired.
</p>
@param service the service to be deleted
@throws AmbariException
@see   ServiceComponentHost
ambari-server/src/main/java/org/apache/ambari/server/state/cluster/ClusterImpl.java