code: func UnprovisionDashboard(cmd *models.UnprovisionDashboardCommand) error {
  	if _, err := x.Where("dashboard_id = ?", cmd.Id).Delete(&models.DashboardProvisioning{}); err != nil {
  		return err
  	}
  	return nil
  }
docs: // UnprovisionDashboard removes row in dashboard_provisioning for the dashboard making it seem as if manually created.
  // The dashboard will still have `created_by = -1` to see it was not created by any particular user.