Removed Polymer from Observatory deps

packages/polymer/e2e_test/canonicalization/test/deploy1_test.dart

Index: packages/polymer/e2e_test/canonicalization/test/deploy1_test.dart
diff --git a/packages/polymer/e2e_test/canonicalization/test/deploy1_test.dart b/packages/polymer/e2e_test/canonicalization/test/deploy1_test.dart
deleted file mode 100644
index ef147b637597bced45dc2c10e88be3de256ec739..0000000000000000000000000000000000000000
--- a/packages/polymer/e2e_test/canonicalization/test/deploy1_test.dart
+++ /dev/null
@@ -1,7 +0,0 @@
-// Copyright (c) 2014, 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 canonicalization.test.deploy1_test;
-
-export 'deploy_common.dart';