code: def sink_delete(self, project, sink_name):
          
          path = "projects/%s/sinks/%s" % (project, sink_name)
          self._gapic_api.delete_sink(path)
docs: API call:  delete a sink resource.
  
          :type project: str
          :param project: ID of the project containing the sink.
  
          :type sink_name: str
          :param sink_name: the name of the sink