Remove some more library directives

pkg/analysis_server/test/channel/web_socket_channel_test.dart

Index: pkg/analysis_server/test/channel/web_socket_channel_test.dart
diff --git a/pkg/analysis_server/test/channel/web_socket_channel_test.dart b/pkg/analysis_server/test/channel/web_socket_channel_test.dart
index 5e662fc5f91f1bae07c2d3d28b7979f40274747d..0a7a35bd74d8a6854644b6a3f33fad0fdaa1782d 100644
--- a/pkg/analysis_server/test/channel/web_socket_channel_test.dart
+++ b/pkg/analysis_server/test/channel/web_socket_channel_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.channel.web_socket;
-
 import 'dart:async';
 
 import 'package:analysis_server/protocol/protocol.dart';