def delete_path(path)
      @zk.delete(path)
      logger.info("Deleted ZK node #{path}")
    rescue ZK::Exceptions::NoNode => ex
      logger.info("Tried to delete missing znode: #{ex.inspect}")
    end
def delete_path(path)
      @zk.delete(path)
      logger.info("Deleted ZK node #{path}")
    rescue ZK::Exceptions::NoNode => ex
      logger.info("Tried to delete missing znode: #{ex.inspect}")
    end
Deletes the znode path containing the redis nodes.

 @param [String] path the znode path to delete