Landing::unpublic

static function unpublic($lid)
{
	$result = new PublicActionResult();
	$landing = LandingCore::createInstance($lid, [
		'skip_blocks' => true
	]);

	if ($landing->exist())
	{
		$result->setResult(
			$landing->unpublic()
		);
	}

	$result->setError($landing->getError());

	return $result;
}