scripts: Remove bogus patch to software-update.conf

This caused a build break after http://codereview.chromium.org/3995007 was
committed, since we try to patch a now-nonexistent file.

BUG=None
TEST=Adhoc
./mod_image_for_test.sh --factory_install doesn't hang

Change-Id: Iac299c850765eedfcefcffb80c385b0e8c0fa277
Signed-off-by: Elly Jones <ellyjones@chromium.org>
Signed-off-by: Kliegs <kliegs@chromium.org>

Review URL: http://codereview.chromium.org/3973004

mod_for_factory_scripts/200patchInitScript

@@ -74,21 +74,6 @@ tail -n 48 -F /var/log/factory.log > /dev/tty3
 end script
 EOF
 
-patch -d ${ROOT_FS_DIR} -Np1 <<EOF
-diff --git old/etc/init/software-update.conf new/etc/init/software-update.conf
-index 28c9086..9ebf2b9 100644
---- old/etc/init/software-update.conf
-+++ new/etc/init/software-update.conf
-@@ -7,7 +7,7 @@
- #
- # when boot reaches login prompt, start up software update check.
- 
--start on stopped boot-complete
-+start on never
- 
- respawn
-EOF
-
 patch -d ${ROOT_FS_DIR} -Np1 <<EOF
 diff -Nau old/etc/init/chrontel.conf new/etc/init/
 --- old/etc/init/chrontel.conf	2010-08-05 16:32:55.000000000 -0700