removed legacy from bff

frontend/pshared/lib/data/dto/payment/quotes.dart

@@ -1,6 +1,5 @@
 import 'package:json_annotation/json_annotation.dart';
 
-import 'package:pshared/data/dto/payment/quote_aggregate.dart';
 import 'package:pshared/data/dto/payment/payment_quote.dart';
 
 part 'quotes.g.dart';
@@ -9,14 +8,12 @@ part 'quotes.g.dart';
 class PaymentQuotesDTO {
   final String quoteRef;
   final String? idempotencyKey;
-  final PaymentQuoteAggregateDTO? aggregate;
-  final List<PaymentQuoteDTO>? quotes;
+  final List<PaymentQuoteDTO>? items;
 
   const PaymentQuotesDTO({
     required this.quoteRef,
     this.idempotencyKey,
-    this.aggregate,
-    this.quotes,
+    this.items,
   });
 
   factory PaymentQuotesDTO.fromJson(Map<String, dynamic> json) =>