V4L/DVB: cx18-alsa: remove unneeded debug line

Remove an unneeded debug line, which was preventing the cx18-alsa module from
loading.

This work was sponsored by ONELAN Limited.
Signed-off-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/cx18/cx18-alsa-pcm.c

@@ -87,7 +87,6 @@ static int snd_cx18_pcm_capture_open(struct snd_pcm_substream *substream)
 	/* Allocate memory */
 	item = kmalloc(sizeof(struct cx18_open_id), GFP_KERNEL);
 	if (NULL == item) {
-		CX18_DEBUG_WARN("nomem on v4l2 open\n");
 		return -ENOMEM;
 	}
 	item->cx = cx;