Input: HID - fix duplicate key mapping for Logitech UltraX remote

This patch makes the "cc/teletext" key emit "KEY_TEXT" event instead of
"KEY_SUBTITLE" which is already mapped to "subtitle" button.

Signed-off-by: Vojtech Pavlik <vojtech@suse.cz>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>