ExternalLink::delete

public function delete()
{
	if($this->getType() === self::TYPE_MANUAL)
	{
		$urlManager = Driver::getInstance()->getUrlManager();

		$this->deleteShortUri($urlManager->getUrlExternalLink([
			'hash' => $this->getHash(),
			'action' => 'default',
		]));
		$this->deleteShortUri($urlManager->getUrlExternalLink([
			'hash' => $this->getHash(),
			'action' => 'default',
		], true));
	}

	return $this->deleteInternal();
}