PropertyValue::deleteAction

public function deleteAction(SalePropertyValue $propertyValue)
{
	$r = $propertyValue->delete();
	if($r->isSuccess())
	{
		$r = $propertyValue
			->getCollection()
			->getOrder()
			->save();
	}

	if(!$r->isSuccess())
		$this->addErrors($r->getErrors());

	return $r->isSuccess();
}