ALSA: usb: Remove superfluous snd_pcm_suspend*() calls

The call of snd_pcm_suspend_all() & co became superfluous since we
call it in the PCM PM ops.  Let's remove them.

Reviewed-by: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/usb/card.c

@@ -811,7 +811,6 @@ static int usb_audio_suspend(struct usb_interface *intf, pm_message_t message)
 		snd_power_change_state(chip->card, SNDRV_CTL_POWER_D3hot);
 	if (!chip->num_suspended_intf++) {
 		list_for_each_entry(as, &chip->pcm_list, list) {
-			snd_pcm_suspend_all(as->pcm);
 			snd_usb_pcm_suspend(as);
 			as->substream[0].need_setup_ep =
 				as->substream[1].need_setup_ep = true;