'Deletes a consumer.
:param str consumer_id: The ID of the consumer that will be deleted
For more information, please refer to the official
API reference:
http://developer.openstack.org/api-ref/identity/v3-ext/#delete-consumer'

def delete_consumer(self, consumer_id):

    (resp, body) = self.delete(('OS-OAUTH1/consumers/%s' % consumer_id))
    self.expected_success(204, resp.status)
    return rest_client.ResponseBody(resp, body)
