Remove no-op oobe_completed touch
Remove no-op oobe_completed touch

The original intent of this code was to prevent mounting
of the OEM partition. However, chromeos_startup mounts
/mnt/stateful_partition/home to /home and this file gets
hidden. Given that we might mount the OEM partition always
soon, removing this code.

BUG=chromium-os:11661
TEST=build_packages, build_image, ran suite_Smoke

Change-Id: I7ef4dd5c78484664cbdeb4ffaff26e2fcf8d2507

Review URL: http://codereview.chromium.org/6458007

nicescale/scripts,sigma/coreos-scripts,BugRoger/scripts,fivethreeo/scripts,crawford/scripts,andrejro/coreos--scripts,vmware/coreos-scripts,nicescale/scripts,nicescale/scripts,marineam/coreos-scripts,fivethreeo/scripts,vmware/coreos-scripts,bcwaldon/coreos-scripts,crawford/scripts,vmware/coreos-scripts,zhang0137/scripts,endocode/scripts,trnubo/scripts,glevand/coreos--scripts,bcwaldon/coreos-scripts,coreos/scripts,coreos/scripts,bcwaldon/coreos-scripts,gtank/scripts,BugRoger/scripts,trnubo/scripts,mjg59/scripts,fivethreeo/scripts,smilart/scripts,mischief/scripts,endocode/scripts,glevand/coreos--scripts,marineam/coreos-scripts,smilart/scripts,smilart/scripts,mischief/scripts,andrejro/coreos--scripts,gtank/scripts,mischief/scripts,andrejro/coreos--scripts,gtank/scripts,zhang0137/scripts,sigma/coreos-scripts,mjg59/scripts,trnubo/scripts,endocode/scripts,zhang0137/scripts,mjg59/scripts,marineam/coreos-scripts,sigma/coreos-scripts,BugRoger/scripts,crawford/scripts