code: def delete_webhook(self):
          
          api = self._get_api(mds.NotificationsApi)
          api.deregister_webhook()
  
          # Every subscription will be deleted, so we can clear the queues too.
          self._queues.clear()
          return
docs: Delete/remove registered webhook.
  
          If no webhook is registered, an exception (404) will be raised.
  
          Note that every registered subscription will be deleted as part of
          deregistering a webhook.
  
          :return: void