Revert "Manually close the tree for issue #86754 (#86755)" (#86803)

This reverts commit 5acf7e98.

dev/devicelab/bin/tasks/hot_mode_dev_cycle_macos_target__benchmark.dart

@@ -3,13 +3,8 @@
 // found in the LICENSE file.
 
 import 'package:flutter_devicelab/framework/framework.dart';
-import 'package:flutter_devicelab/framework/task_result.dart';
 import 'package:flutter_devicelab/tasks/hot_mode_tests.dart';
 
 Future<void> main() async {
   await task(createHotModeTest(deviceIdOverride: 'macos'));
-
-// TODO(zra): https://github.com/flutter/flutter/issues/86754
-  throw TaskResult.failure(
-      'Tree was manually closed for Android version of this test https://github.com/flutter/flutter/issues/86754');
 }