This reverts commit c8e195e1.

There's still lots of code that works incorrectly in tr_TR.UTF-8 locale
but I think it's good to revert this patch before next release.
Signed-off-by: Piotr Caban <piotr@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>