Product::deleteAction

public function deleteAction(int $id): ?bool
{
	$r = $this->checkPermissionDelete($id);
	if($r->isSuccess())
	{
		$r = $this->exists($id);
	}
	if($r->isSuccess())
	{
		if (!CIBlockElement::Delete($id))
		{
			if ($ex = self::getApplication()->GetException())
				$r->addError(new Error($ex->GetString(), $ex->GetId()));
			else
				$r->addError(new Error('delete iBlockElement error'));
		}
	}

	if($r->isSuccess())
	{
		return true;
	}
	else
	{
		$this->addErrors($r->getErrors());
		return null;
	}
}