Form::unRegisterGroup

public function unRegisterGroup(string $groupId) : bool
{
	$row = InternalsCallbackSubscriptionTable::getRow([
		'filter' => [
			'=TYPE' => static::TYPE_CODE,
			'=GROUP_ID' => $groupId
		]
	]);

	return $row && InternalsCallbackSubscriptionTable::delete($row['ID'])->isSuccess();
}