chore: 清理 checkout mainBody 的 'aaa:' 调试 print

lib/widgets/mobile/mobile_checkout.dart

@@ -268,7 +268,6 @@ class MobileCheckoutState extends State<MobileCheckout> with SingleTickerProvide
       addAutomaticKeepAlives: true,
       itemBuilder: (BuildContext context, int position) {
         var deliveryTimeInSeconds = cartInfo!.businessInfo!.shippingTime! * 60 + (durationInTraffic != null ? durationInTraffic!.value ?? 0 : 0);
-        print('aaa: $deliveryTimeInSeconds');
         DateTime now = DateTime.now();
         var formatter = DateFormat('H:mm');
         String deliveryAt = formatter.format(now.add(Duration(seconds: deliveryTimeInSeconds)));