Get rid of all the library tags.

test/get/git/doesnt_fetch_if_nothing_changes_test.dart

Index: test/get/git/doesnt_fetch_if_nothing_changes_test.dart
diff --git a/test/get/git/doesnt_fetch_if_nothing_changes_test.dart b/test/get/git/doesnt_fetch_if_nothing_changes_test.dart
index 2a8493c96b9880d0e799bb42905c766d89a4ebe5..e0ba454575901fc9c9f2e8efe4ba63e57c945d9a 100644
--- a/test/get/git/doesnt_fetch_if_nothing_changes_test.dart
+++ b/test/get/git/doesnt_fetch_if_nothing_changes_test.dart
@@ -2,8 +2,6 @@
 // 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_tests;
-
 import 'package:path/path.dart' as p;
 import 'package:pub/src/io.dart';
 import 'package:scheduled_test/scheduled_test.dart';