docs: def do_notification_delete(mc, args):
      '''Delete notification.'''
      fields = {}
      fields['notification_id'] = args.id
      try:
          mc.notifications.delete(**fields)
      except (osc_exc.ClientException, k_exc.HttpError) as he:
          raise osc_exc.CommandError('%s\n%s' % (he.message, he.details))
      else:
          print('Successfully deleted notification')