Remove tag to copy PRESUBMIT.py and codereview-settings from chromiumos-overlay

Since we no longer use git-cl-upload, we don't need those references anymore.

BUG=15171
TEST=Verified a sync of chromiumos/overlays/chromiumos-overlay does not create
     PRESUBMIT.py and codereview-settings files in checkout root.

Change-Id: I02d010b1daeb54b131c530a408849f5952856709
Reviewed-on: http://gerrit.chromium.org/gerrit/831
Reviewed-by: Anush Elangovan <anush@chromium.org>
Tested-by: Ryan Cui <rcui@chromium.org>
2 files changed