Get rid of all the library tags.

lib/src/command/cache_repair.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.cache_repair;
-
 import 'dart:async';
 
 import '../command.dart';
 import '../exit_codes.dart' as exit_codes;
 import '../io.dart';
 import '../log.dart' as log;
 import '../source/cached.dart';
 import '../utils.dart';
 
 /// Handles the `cache repair` pub command.
@@ skipping 53 matching lines @@
 
     if (successes.length == 0 && failures.length == 0) {
       log.message("No packages in cache, so nothing to repair.");
     }
 
     if (failures.length > 0 || results.last.length > 0) {
       await flushThenExit(exit_codes.UNAVAILABLE);
     }
   }
 }