DeliveryMark::unsetDeliveryMark

static function unsetDeliveryMark(int $messageId, int $chatId): void
{
	$connection = Application::getInstance()->getConnection();
	$query = '
		DELETE
		FROM b_imconnectors_delivery_mark
		WHERE
			CHAT_ID = ' . $chatId . '
			AND MESSAGE_ID <= ' . $messageId . '
	';
	$connection->queryExecute($query);
}