API call:  delete a metric resource.

        See
        https://cloud.google.com/logging/docs/reference/v2/rest/v2/projects.metrics/delete

        :type project: str
        :param project: ID of the project containing the metric.

        :type metric_name: str
        :param metric_name: the name of the metric.

def metric_delete(self, project, metric_name):
        """API call:  delete a metric resource.

        See
        https://cloud.google.com/logging/docs/reference/v2/rest/v2/projects.metrics/delete

        :type project: str
        :param project: ID of the project containing the metric.

        :type metric_name: str
        :param metric_name: the name of the metric.
        """
        target = "/projects/%s/metrics/%s" % (project, metric_name)
        self.api_request(method="DELETE", path=target)