ALSA: snd-usb-us122l: Delete calls to preempt_disable

commit d0f3a2eb9062560bebca8b923424f3ca02a331ba upstream.

They are not needed here.

Change-Id: Ic3121bbdfcaadaa0a89b328b83ad5a8286a019d8
Signed-off-by: Karsten Wiese <fzu@wemgehoertderstaat.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Merge "ALSA: snd-usb-us122l: Delete calls to preempt_disable" into kk4.4