drm: bridge: dw-hdmi: 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>

drivers/gpu/drm/bridge/synopsys/dw-hdmi-ahb-audio.c

@@ -614,7 +614,6 @@ static int snd_dw_hdmi_suspend(struct device *dev)
 	struct snd_dw_hdmi *dw = dev_get_drvdata(dev);
 
 	snd_power_change_state(dw->card, SNDRV_CTL_POWER_D3cold);
-	snd_pcm_suspend_all(dw->pcm);
 
 	return 0;
 }