Get rid of all the library tags.

lib/src/web_socket_handler.dart

Index: lib/src/web_socket_handler.dart
diff --git a/lib/src/web_socket_handler.dart b/lib/src/web_socket_handler.dart
index 7ab8e7eb9764b20c8a77453ba3b9b2c5b8646afd..ea27c61712bf93f54a73dd2bf23bb7202f6219d8 100644
--- a/lib/src/web_socket_handler.dart
+++ b/lib/src/web_socket_handler.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 shelf_web_socket.web_socket_handler;
-
 import 'dart:convert';
 
 import 'package:http_parser/http_parser.dart';