Remove RemoteAccessClientFirewallTraversal policy and code paths.

ppapi/api/dev/ppp_policy_update_dev.idl

-/* Copyright (c) 2011 The Chromium Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-/**
- * This file defines the <code>PPP_PolicyUpdate_Dev</code> interface.
- */
-
-label Chrome {
-  M14 = 0.1
-};
-
-interface PPP_PolicyUpdate_Dev {
-  /**
-   * Signals that the policy has been updated, and provides it via a JSON
-   * string.
-   *
-   * @param[in] instance A <code>PP_Instance</code> indentifying one instance
-   * of a module.
-   * @param[in] A <code>PP_Var</code> with a JSON string representing the
-   * encoded policy.
-   */
-  void PolicyUpdated(
-      [in] PP_Instance instance,
-      [in] PP_Var policy_json);
-};