Get rid of all the library tags.

lib/src/runner/reporter.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 test.runner.reporter;
-
 /// An interface for classes that watch the progress of an Engine and report it
 /// to the user.
 ///
 /// A reporter should subscribe to the Engine's events as soon as it's created.
 abstract class Reporter {
   /// Pauses the reporter's output.
   ///
   /// Subclasses should buffer any events from the engine while they're paused.
   /// They should also ensure that this does nothing if the reporter is already
   /// paused.
   void pause();
 
   /// Resumes the reporter's output after being [paused].
   ///
   /// Subclasses should ensure that this does nothing if the reporter isn't
   /// paused.
   void resume();
 
   /// Cancels the reporter's output.
   void cancel();
 }