/**
* Optional implementation to uninstall plugin - can be extended by subclasses, not to be called directly but extended by subclasses
*
* @api
*
* @since 1.0
*
* @param none
*
* @return string $message Optional any messages generated by uninstall
*/
public function uninstall()
{
if ($this->options) {
$this->options->deregister_options();
}
//end if
}
