refactor: 移除调试打印的日志信息

lib/main.dart

@@ -77,10 +77,6 @@ void main() async {
   // 7. 获取初始路由
   String initialRoute = await AppRoutes.getInitialRoute(prefs);
 
-  debugPrint('--- 最终路由 ---');
-  debugPrint('initialRoute: $initialRoute');
-  debugPrint('========================================');
-
   runApp(MyApp(initialRoute: initialRoute, guideCheckResult: guideCheckResult));
 }