ASoC: rsnd: remove unnecessary 'out of memory' message from DVC

Current checkpatch.pl indicates 'out of memory' message is unnecessary.
Let's remove it

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Tested-by: Keita Kobayashi <keita.kobayashi.ym@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/sound/soc/sh/rcar/dvc.c b/sound/soc/sh/rcar/dvc.c
index 36fc020..dbf0da6 100644
--- a/sound/soc/sh/rcar/dvc.c
+++ b/sound/soc/sh/rcar/dvc.c
@@ -354,10 +354,8 @@
 	}
 
 	dvc	= devm_kzalloc(dev, sizeof(*dvc) * nr, GFP_KERNEL);
-	if (!dvc) {
-		dev_err(dev, "CMD allocate failed\n");
+	if (!dvc)
 		return -ENOMEM;
-	}
 
 	priv->dvc_nr	= nr;
 	priv->dvc	= dvc;