Delete polymer from the Dart repo

pkg/polymer/e2e_test/canonicalization/test/dir/dev2_test.dart

Index: pkg/polymer/e2e_test/canonicalization/test/dir/dev2_test.dart
diff --git a/pkg/polymer/e2e_test/canonicalization/test/dir/dev2_test.dart b/pkg/polymer/e2e_test/canonicalization/test/dir/dev2_test.dart
deleted file mode 100644
index 359312495bbfb5f39df82be86fe02889493647d0..0000000000000000000000000000000000000000
--- a/pkg/polymer/e2e_test/canonicalization/test/dir/dev2_test.dart
+++ /dev/null
@@ -1,7 +0,0 @@
-// Copyright (c) 2013, 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.
-
-/// Tests canonicalization at deployment time from a subdir.
-library canonicalization.test.dir.dev2_test;
-export 'dev_common.dart';