Get rid of all the library tags.

lib/src/copy/web_socket_impl.dart

 // Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
 // 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.
 
 // The following code is copied from sdk/lib/io/websocket_impl.dart. The
 // "dart:io" implementation isn't used directly to support non-"dart:io"
 // applications.
 //
 // Because it's copied directly, only modifications necessary to support the
 // desired public API and to remove "dart:io" dependencies have been made.
 //
 // This is up-to-date as of sdk revision
 // 86227840d75d974feb238f8b3c59c038b99c05cf.
-library http_parser.copy.web_socket_impl;
-
 import 'dart:async';
 import 'dart:convert';
 import 'dart:math';
 import 'dart:typed_data';
 
 import '../web_socket.dart';
 import 'bytes_builder.dart';
 import 'io_sink.dart';
 import 'web_socket.dart';
 
@@ skipping 828 matching lines @@
   int __serviceId = 0;
   int get _serviceId {
     if (__serviceId == 0) __serviceId = _nextServiceId++;
     return __serviceId;
   }
 
   // The _toJSON, _servicePath, _serviceTypePath, _serviceTypeName, and
   // _serviceType methods have been deleted for http_parser. The methods were
   // unused in WebSocket code and produced warnings.
 }