'Deletes an L3 metering label.
For a full list of available parameters, please refer to the official
API reference:
http://developer.openstack.org/api-ref/networking/v2/index.html#delete-metering-label'

def delete_metering_label(self, metering_label_id):

    uri = ('/metering/metering-labels/%s' % metering_label_id)
    return self.delete_resource(uri)
