Get rid of all the library tags.

test/hosted/remove_removed_dependency_test.dart

Index: test/hosted/remove_removed_dependency_test.dart
diff --git a/test/hosted/remove_removed_dependency_test.dart b/test/hosted/remove_removed_dependency_test.dart
index 0084c809b907df0f139adec0fbc577e6b3a82dca..f6bfdc3b702b7f81afc190e6209cab2e47730a18 100644
--- a/test/hosted/remove_removed_dependency_test.dart
+++ b/test/hosted/remove_removed_dependency_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 '../descriptor.dart' as d;
 import '../test_pub.dart';