detachables: Remove locale switch on up arrow

This was old code that switched locale when pressing up
arrow.

BUG=b:35585623
BRANCH=None
TEST=Boot to recovery and make sure up arrow doesn't
     change the locale.

Change-Id: Ibb4d2785170a2e36d599e4af56de3dfd922c5957
Signed-off-by: Shelley Chen <shchen@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/517283
Reviewed-by: Randall Spangler <rspangler@chromium.org>
1 file changed