Remove support for obsolete --old_style option in the update payload generator.

This is in preparation to remove support for old style full updates in the
update engine itself.

BUG=chromium-os:12542
TEST=tested AU through dev server

Change-Id: I8692cfd89620dbb2ad99cc7ff4906b43d6f2f80c
Reviewed-on: http://gerrit.chromium.org/gerrit/707
Tested-by: Darin Petkov <petkov@chromium.org>
Reviewed-by: Chris Sosa <sosa@chromium.org>
diff --git a/autoupdate.py b/autoupdate.py
index 4647db3..d1a0126 100644
--- a/autoupdate.py
+++ b/autoupdate.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2009-2010 The Chromium OS Authors. All rights reserved.
+# Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
@@ -244,7 +244,6 @@
         '%s/cros_generate_update_payload' % self.devserver_dir,
         '--image="%s"' % image_path,
         '--output="%s"' % update_path,
-        '--noold_style',
     ]
 
     if src_image: update_command.append('--src_image="%s"' % src_image)