Get rid of all the library tags.

lib/src/command/global_list.dart

 // Copyright (c) 2014, 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 pub.command.global_list;
-
 import '../command.dart';
 
 /// Handles the `global list` pub command.
 class GlobalListCommand extends PubCommand {
   String get name => "list";
   String get description => 'List globally activated packages.';
   String get invocation => 'pub global list';
   bool get allowTrailingOptions => false;
   bool get takesArguments => false;
 
   void run() {
     globals.listActivePackages();
   }
 }