V4L/DVB (6408): Cleanup: Removed obsoleted code from bttv-cards

This is part of the old V4L1->V4L2 bttv patch, ported to current tree
by Mauro Carvalho Chehab <mchehab@infradead.org>

Signed-off-by: Nickolay V. Shmyrev <nshmyrev@yandex.ru>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

drivers/media/video/bt8xx/bttv-cards.c

@@ -4624,6 +4624,7 @@ fv2000s_audio(struct bttv *btv, struct video_audio *v, int set)
 
 	if (btv->radio_user)
 		return;
+
 	if (set) {
 		if (v->mode & VIDEO_SOUND_MONO)	{
 			val = 0x0000;