remove pair

lib/models/buy/response_objects/pair.dart

@@ -1,73 +0,0 @@
-import 'dart:ui';
-
-import 'package:stackwallet/utilities/logger.dart';
-
-class Pair {
-  final String from;
-  final String fromNetwork;
-
-  final String to;
-  final String toNetwork;
-
-  final bool fixedRate;
-  final bool floatingRate;
-
-  Pair({
-    required this.from,
-    required this.fromNetwork,
-    required this.to,
-    required this.toNetwork,
-    required this.fixedRate,
-    required this.floatingRate,
-  });
-
-  factory Pair.fromMap(Map<String, dynamic> map) {
-    try {
-      return Pair(
-        from: map["from"] as String,
-        fromNetwork: map["fromNetwork"] as String,
-        to: map["to"] as String,
-        toNetwork: map["toNetwork"] as String,
-        fixedRate: map["fixedRate"] as bool,
-        floatingRate: map["floatingRate"] as bool,
-      );
-    } catch (e, s) {
-      Logging.instance.log("Pair.fromMap(): $e\n$s", level: LogLevel.Error);
-      rethrow;
-    }
-  }
-
-  Map<String, dynamic> toMap() {
-    return {
-      "from": from,
-      "fromNetwork": fromNetwork,
-      "to": to,
-      "toNetwork": toNetwork,
-      "fixedRate": fixedRate,
-      "floatingRate": floatingRate,
-    };
-  }
-
-  @override
-  bool operator ==(other) =>
-      other is Pair &&
-      from == other.from &&
-      fromNetwork == other.fromNetwork &&
-      to == other.to &&
-      toNetwork == other.toNetwork &&
-      fixedRate == other.fixedRate &&
-      floatingRate == other.floatingRate;
-
-  @override
-  int get hashCode => hashValues(
-        from,
-        fromNetwork,
-        to,
-        toNetwork,
-        fixedRate,
-        floatingRate,
-      );
-
-  @override
-  String toString() => "Pair: ${toMap()}";
-}