Revert "Input: xpad - fix support for some third-party controllers"

This reverts commit db7220c4

 because it
causes crashes when trying to dereference xpad->dev->dev in xpad_probe()
which has not been set up yet.

Reported-by:  <syzbot+a3f758b8d8cb7e49afec@syzkaller.appspotmail.com>
Reported-by: Dongliang Mu <dzm91@hust.edu.cn>
Link: https://groups.google.com/g/syzkaller-bugs/c/iMhTgpGuIbM


Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>