Remove some more library directives

pkg/analysis_server/test/operation/operation_queue_test.dart

Index: pkg/analysis_server/test/operation/operation_queue_test.dart
diff --git a/pkg/analysis_server/test/operation/operation_queue_test.dart b/pkg/analysis_server/test/operation/operation_queue_test.dart
index e2f8484a6cb8285a29a6f54c890a5499a455c0aa..9ffef65c5b2221854ace4753aedda817eaed2079 100644
--- a/pkg/analysis_server/test/operation/operation_queue_test.dart
+++ b/pkg/analysis_server/test/operation/operation_queue_test.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 test.operation.queue;
-
 import 'package:analysis_server/src/analysis_server.dart';
 import 'package:analysis_server/src/context_manager.dart';
 import 'package:analysis_server/src/operation/operation.dart';