code: def delete_message(self, message, callback=None):
          
          return self.connection.delete_message(self, message, callback=callback)
docs: Delete a message from the queue.
  
          :type message: :class:`boto.sqs.message.Message`
          :param message: The :class:`boto.sqs.message.Message` object to delete.
  
          :rtype: bool
          :return: True if successful, False otherwise