Remove more libraries directives from server

pkg/analysis_server/lib/src/services/refactoring/rename_label.dart

Index: pkg/analysis_server/lib/src/services/refactoring/rename_label.dart
diff --git a/pkg/analysis_server/lib/src/services/refactoring/rename_label.dart b/pkg/analysis_server/lib/src/services/refactoring/rename_label.dart
index 71c9026320f0e0d9d0b79cf38dbc88ecf461b115..651fc7ac09531b6474e242efe8013a3ba3fd885f 100644
--- a/pkg/analysis_server/lib/src/services/refactoring/rename_label.dart
+++ b/pkg/analysis_server/lib/src/services/refactoring/rename_label.dart
@@ -2,8 +2,6 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-library services.src.refactoring.rename_label;
-
 import 'dart:async';
 
 import 'package:analysis_server/src/services/correction/status.dart';