removed legacy from bff

frontend/pshared/lib/models/payment/quote/amounts.dart

@@ -0,0 +1,13 @@
+import 'package:pshared/models/money.dart';
+
+class QuoteAmounts {
+  final Money? sourcePrincipal;
+  final Money? sourceDebitTotal;
+  final Money? destinationSettlement;
+
+  const QuoteAmounts({
+    required this.sourcePrincipal,
+    required this.sourceDebitTotal,
+    required this.destinationSettlement,
+  });
+}