Removes a BGP speaker from Dynamic Routing agent.

def remove_bgp_speaker_from_dragent(self, bgp_dragent, bgpspeaker_id):
        """Removes a BGP speaker from Dynamic Routing agent."""
        return self.delete((self.agent_path + self.BGP_DRINSTANCES + "/%s")
                           % (bgp_dragent, bgpspeaker_id))