ALSA: aoa: remove unnecessary oom message

Fixes scripts/checkpatch.pl warning:
WARNING: Possible unnecessary 'out of memory' message

Remove it can help us save a bit of memory.
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Link: https://lore.kernel.org/r/20210617102746.1709-1-thunder.leizhen@huawei.comSigned-off-by: Takashi Iwai <tiwai@suse.de>

sound/aoa/soundbus/i2sbus/pcm.c

@@ -918,10 +918,8 @@ i2sbus_attach_codec(struct soundbus_dev *dev, struct snd_card *card,
 	}
 
 	cii = kzalloc(sizeof(struct codec_info_item), GFP_KERNEL);
-	if (!cii) {
-		printk(KERN_DEBUG "i2sbus: failed to allocate cii\n");
+	if (!cii)
 		return -ENOMEM;
-	}
 
 	/* use the private data to point to the codec info */
 	cii->sdev = soundbus_dev_get(dev);