Eliminate old style import from language tests

tests/language/getter_setter_in_lib_test.dart

Index: tests/language/getter_setter_in_lib_test.dart
===================================================================
--- tests/language/getter_setter_in_lib_test.dart	(revision 15598)
+++ tests/language/getter_setter_in_lib_test.dart	(working copy)
@@ -2,8 +2,8 @@
 // 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('GetterSetterInLibTest');
-#import('getter_setter_in_lib.dart');
+library GetterSetterInLibTest;
+import 'getter_setter_in_lib.dart';
 
 main() {
   Expect.equals(42, foo);