'Remove a permission from a queue.
:type queue: :class:`boto.sqs.queue.Queue`
:param queue: The queue object
:type label: str or unicode
:param label: The unique label associated with the permission
being removed.
:rtype: bool
:return: True if successful, False otherwise.'

def remove_permission(self, queue, label):

    params = {'Label': label}
    return self.get_status('RemovePermission', params, queue.id)
