code: def remove_metric(self, metric_id):
          
          payload = {
              'metric_id': metric_id
          }
  
          data = json.dumps(payload)
  
          req = self.request(self.mist_client.uri+"/clouds/"+self.cloud.id+"/machines/"+self.id+"/metrics", data=data)
          req.delete()
docs: Remove a metric from a monitored machine
  
          :param metric_id: Metric_id (provided by self.get_stats() )