'Remove the callbacks for the specified channel number and list of
method frames.
:param int channel_number: The channel number to remove the callback on
:param sequence method_classes: The method classes (derived from
`pika.amqp_object.Method`) for the callbacks'

def _remove_callbacks(self, channel_number, method_classes):

    for method_frame in method_classes:
        self._remove_callback(channel_number, method_frame)
