refactor(downloader): remove opts parameter from Resolve (#1595)

ui/flutter/lib/api/model/resolve_task.dart

@@ -1,6 +1,5 @@
 import 'package:json_annotation/json_annotation.dart';
 
-import 'options.dart';
 import 'request.dart';
 
 part 'resolve_task.g.dart';
@@ -8,9 +7,8 @@ part 'resolve_task.g.dart';
 @JsonSerializable()
 class ResolveTask {
   Request? req;
-  Options? opts;
 
-  ResolveTask({this.req, this.opts});
+  ResolveTask({this.req});
 
   factory ResolveTask.fromJson(Map<String, dynamic> json) => _$ResolveTaskFromJson(json);
   Map<String, dynamic> toJson() => _$ResolveTaskToJson(this);