Revert 147650 - Implement installation of the Chrome App Host.

chrome/installer/mini_installer/appid.h

Index: chrome/installer/mini_installer/appid.h
===================================================================
--- chrome/installer/mini_installer/appid.h	(revision 148045)
+++ chrome/installer/mini_installer/appid.h	(working copy)
@@ -1,4 +1,4 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Copyright (c) 2010 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.
 
@@ -9,7 +9,6 @@
 namespace google_update {
 extern const wchar_t kAppGuid[];
 extern const wchar_t kSxSAppGuid[];
-extern const wchar_t kChromeAppHostAppGuid[];
 extern const wchar_t kChromeFrameAppGuid[];
 extern const wchar_t kMultiInstallAppGuid[];
 }