ALSA: sh: Drop superfluous ioctl PCM ops

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

(*) commit fc033cbf6f ("ALSA: pcm: Allow NULL ioctl ops")

Link: https://lore.kernel.org/r/20191210061145.24641-19-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/sh/aica.c

@@ -399,7 +399,6 @@ static unsigned long snd_aicapcm_pcm_pointer(struct snd_pcm_substream
 static const struct snd_pcm_ops snd_aicapcm_playback_ops = {
 	.open = snd_aicapcm_pcm_open,
 	.close = snd_aicapcm_pcm_close,
-	.ioctl = snd_pcm_lib_ioctl,
 	.prepare = snd_aicapcm_pcm_prepare,
 	.trigger = snd_aicapcm_pcm_trigger,
 	.pointer = snd_aicapcm_pcm_pointer,

sound/sh/sh_dac_audio.c

@@ -228,7 +228,6 @@ snd_pcm_uframes_t snd_sh_dac_pcm_pointer(struct snd_pcm_substream *substream)
 static const struct snd_pcm_ops snd_sh_dac_pcm_ops = {
 	.open		= snd_sh_dac_pcm_open,
 	.close		= snd_sh_dac_pcm_close,
-	.ioctl		= snd_pcm_lib_ioctl,
 	.prepare	= snd_sh_dac_pcm_prepare,
 	.trigger	= snd_sh_dac_pcm_trigger,
 	.pointer	= snd_sh_dac_pcm_pointer,