removed legacy from bff

frontend/pshared/lib/data/mapper/payment/quote/amounts.dart

@@ -0,0 +1,19 @@
+import 'package:pshared/data/dto/payment/quote_amounts.dart';
+import 'package:pshared/data/mapper/money.dart';
+import 'package:pshared/models/payment/quote/amounts.dart';
+
+extension QuoteAmountsDTOMapper on QuoteAmountsDTO {
+  QuoteAmounts toDomain() => QuoteAmounts(
+    sourcePrincipal: sourcePrincipal?.toDomain(),
+    sourceDebitTotal: sourceDebitTotal?.toDomain(),
+    destinationSettlement: destinationSettlement?.toDomain(),
+  );
+}
+
+extension QuoteAmountsMapper on QuoteAmounts {
+  QuoteAmountsDTO toDTO() => QuoteAmountsDTO(
+    sourcePrincipal: sourcePrincipal?.toDTO(),
+    sourceDebitTotal: sourceDebitTotal?.toDTO(),
+    destinationSettlement: destinationSettlement?.toDTO(),
+  );
+}