/**
  * Removes/updates metadata/option data
  * @since  1.0.1
  * @param  string $old Old value
  */
 public function remove_data($old = '')
 {
     extract($this->data_args());
     return 'options-page' === $type ? cmb_Meta_Box::remove_option($id, $field_id) : delete_metadata($type, $id, $field_id, $old);
 }