Get rid of all the library tags.

test/line_scanner_test.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 string_scanner.line_scanner_test;
-
 import 'package:string_scanner/string_scanner.dart';
 import 'package:test/test.dart';
 
 void main() {
   var scanner;
   setUp(() {
     scanner = new LineScanner('foo\nbar\r\nbaz');
   });
 
   test('begins with line and column 0', () {
@@ skipping 110 matching lines @@
     expect(scanner.column, equals(1));
   });
 
   test("state= rejects a foreign state", () {
     scanner.scan('foo\nb');
 
     expect(() => new LineScanner(scanner.string).state = scanner.state,
         throwsArgumentError);
   });
 }