Get rid of all the library tags.

lib/src/validator/name.dart

 // Copyright (c) 2012, 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.validator.name;
-
 import 'dart:async';
 
 import 'package:path/path.dart' as path;
 
 import '../entrypoint.dart';
 import '../utils.dart';
 import '../validator.dart';
 
 /// A validator that validates the name of the package and its libraries.
 class NameValidator extends Validator {
@@ skipping 62 matching lines @@
       builder
         ..write(source.substring(lastMatchEnd, match.start + 1))
         ..write("_")
         ..write(match.group(1).toLowerCase());
       lastMatchEnd = match.end;
     }
     builder.write(source.substring(lastMatchEnd));
     return builder.toString().toLowerCase();
   }
 }