Remove dart2js_foreign.

dart/tests/compiler/dart2js_foreign/native_metadata.dart

Index: dart/tests/compiler/dart2js_foreign/native_metadata.dart
diff --git a/dart/tests/compiler/dart2js_foreign/native_metadata.dart b/dart/tests/compiler/dart2js_foreign/native_metadata.dart
deleted file mode 100644
index e3a513fc76be372ca10337f481ac9036d4880203..0000000000000000000000000000000000000000
--- a/dart/tests/compiler/dart2js_foreign/native_metadata.dart
+++ /dev/null
@@ -1,12 +0,0 @@
-// Copyright (c) 2012, 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 native_metadata;
-
-class Native {
-  final String info;
-  const Native(this.info);
-}
-
-const Native native = const Native(null);