Backup before removing hiddify references

lib/features/proxy/active/active_proxy_delay_indicator.dart

@@ -1,4 +1,3 @@
-import 'dart:io';
 
 import 'package:fluentui_system_icons/fluentui_system_icons.dart';
 import 'package:flutter/material.dart';
@@ -6,11 +5,8 @@ import 'package:gap/gap.dart';
 import 'package:hiddify/core/localization/translations.dart';
 import 'package:hiddify/core/widget/animated_visibility.dart';
 import 'package:hiddify/core/widget/shimmer_skeleton.dart';
-import 'package:hiddify/features/connection/model/connection_status.dart';
 import 'package:hiddify/features/proxy/active/active_proxy_notifier.dart';
-import 'package:hiddify/features/system_tray/notifier/system_tray_notifier.dart';
 import 'package:hooks_riverpod/hooks_riverpod.dart';
-import 'package:tray_manager/tray_manager.dart';
 
 class ActiveProxyDelayIndicator extends HookConsumerWidget {
   const ActiveProxyDelayIndicator({super.key});

lib/features/proxy/active/active_proxy_notifier.dart

@@ -95,7 +95,7 @@ class ActiveProxyNotifier extends _$ActiveProxyNotifier with AppLogger {
   final _urlTestThrottler = Throttler(const Duration(seconds: 2));
 
   Future<void> urlTest(String groupTag_) async {
-    var groupTag = groupTag_;
+    final groupTag = groupTag_;
     _urlTestThrottler(
       () async {
         if (state case AsyncData()) {

lib/features/proxy/active/ip_widget.dart

@@ -133,7 +133,7 @@ class IPCountryFlag extends HookConsumerWidget {
         padding: const EdgeInsets.all(2),
         child: Center(
           child: CircleFlag(
-              countryCode.toLowerCase() == "ir" ? "ir-shir" : countryCode),
+              countryCode.toLowerCase() == "ir" ? "ir-shir" : countryCode,),
         ),
       ),
     );