/**
  * Delete the header as well as the corresponding image files, if any.
  *
  * @param bool $params
  *
  * @return mixed|void
  * @throws API_Exception
  */
 public function delete($params = FALSE)
 {
     // Delete the header image
     if ($params['image']) {
         static::deleteImage(array('field' => 'image', 'fileName' => $params['image']));
     }
     // Delete the logo image
     if ($params['logo_image']) {
         static::deleteImage(array('logo_field' => 'logo_image', 'fileName' => $params['logo_image']));
     }
     parent::delete($params);
 }