Revert "添加访问项目地址"

Author: Zhoucheng133

lib/main_window.dart

@@ -9,7 +9,6 @@ import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:get/get.dart';
 import 'package:shared_preferences/shared_preferences.dart';
-import 'package:url_launcher/url_launcher.dart';
 import 'package:window_manager/window_manager.dart';
 
 class MainWindow extends StatefulWidget {