ALSA: ppc: Drop superfluous ioctl PCM ops

PCM core deals the empty ioctl field now as default(*).
Let's kill the redundant lines.

(*) commit fc033cbf ("ALSA: pcm: Allow NULL ioctl ops")

Link: https://lore.kernel.org/r/20191210061145.24641-18-tiwai@suse.deSigned-off-by: Takashi Iwai <tiwai@suse.de>

sound/ppc/pmac.c

@@ -653,7 +653,6 @@ static int snd_pmac_capture_close(struct snd_pcm_substream *subs)
 static const struct snd_pcm_ops snd_pmac_playback_ops = {
 	.open =		snd_pmac_playback_open,
 	.close =	snd_pmac_playback_close,
-	.ioctl =	snd_pcm_lib_ioctl,
 	.prepare =	snd_pmac_playback_prepare,
 	.trigger =	snd_pmac_playback_trigger,
 	.pointer =	snd_pmac_playback_pointer,
@@ -662,7 +661,6 @@ static const struct snd_pcm_ops snd_pmac_playback_ops = {
 static const struct snd_pcm_ops snd_pmac_capture_ops = {
 	.open =		snd_pmac_capture_open,
 	.close =	snd_pmac_capture_close,
-	.ioctl =	snd_pcm_lib_ioctl,
 	.prepare =	snd_pmac_capture_prepare,
 	.trigger =	snd_pmac_capture_trigger,
 	.pointer =	snd_pmac_capture_pointer,

sound/ppc/snd_ps3.c

@@ -742,7 +742,6 @@ static struct snd_kcontrol_new spdif_ctls[] = {
 static const struct snd_pcm_ops snd_ps3_pcm_spdif_ops = {
 	.open = snd_ps3_pcm_open,
 	.close = snd_ps3_pcm_close,
-	.ioctl = snd_pcm_lib_ioctl,
 	.prepare = snd_ps3_pcm_prepare,
 	.trigger = snd_ps3_pcm_trigger,
 	.pointer = snd_ps3_pcm_pointer,