Get rid of all the library tags.

lib/src/server.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.
 
-library shelf.server;
-
 import 'dart:async';
 
 import 'handler.dart';
 
 /// An [adapter][] with a concrete URL.
 ///
 /// [adapter]: https://github.com/dart-lang/shelf#adapters
 ///
 /// The most basic definiton of "adapter" includes any function that passes
 /// incoming requests to a [Handler] and passes its responses to some external
@@ skipping 27 matching lines @@
   /// Throws a [StateError] if there's already a handler mounted.
   void mount(Handler handler);
 
   /// Closes the server and returns a Future that completes when all resources
   /// are released.
   ///
   /// Once this is called, no more requests will be passed to this server's
   /// handler. Otherwise, the cleanup behavior is implementation-dependent.
   Future close();
 }