Get rid of all the library tags.

test/frame_test.dart

 // Copyright (c) 2013, 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 frame_test;
-
 import 'package:path/path.dart' as path;
 import 'package:stack_trace/stack_trace.dart';
 import 'package:test/test.dart';
 
 void main() {
   group('.parseVM', () {
     test('parses a stack frame with column correctly', () {
       var frame = new Frame.parseVM("#1      Foo._bar "
           "(file:///home/nweiz/code/stuff.dart:42:21)");
       expect(frame.uri,
@@ skipping 547 matching lines @@
           equals('$relative 5:10 in Foo'));
     });
   });
 }
 
 void expectIsUnparsed(Frame constructor(String text), String text) {
   var frame = constructor(text);
   expect(frame, new isInstanceOf<UnparsedFrame>());
   expect(frame.toString(), equals(text));
 }