Remove some more library directives

pkg/analysis_server/test/services/linter/linter_test.dart

Index: pkg/analysis_server/test/services/linter/linter_test.dart
diff --git a/pkg/analysis_server/test/services/linter/linter_test.dart b/pkg/analysis_server/test/services/linter/linter_test.dart
index f0dd92d38897a84ee0fb70f2ec5f1790a66f0c8b..66d34046888f38c534ad096bf102ed5d8cbe3f6b 100644
--- a/pkg/analysis_server/test/services/linter/linter_test.dart
+++ b/pkg/analysis_server/test/services/linter/linter_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.services.linter;
-
 import 'package:analyzer/analyzer.dart';
 import 'package:analyzer/source/analysis_options_provider.dart';
 import 'package:analyzer/src/generated/engine.dart';