ASoc: mediatek: mt8365: Remove unneeded assignment

The ret is being assigned, but not being used. Remove the assignment.
One of the reviewer mentioned that dev_warn should be replaced with
dev_info. Make this change as well.

Fixes: 1bf6dbd ("ASoc: mediatek: mt8365: Add a specific soundcard for EVK")
Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://patch.msgid.link/20240911123629.125686-1-usama.anjum@collabora.com
Reviewed-by: Alexandre Mergnat <amergnat@baylibre.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

Author: Muhammad Usama Anjum

sound/soc/mediatek/mt8365/mt8365-mt6357.c

@@ -257,8 +257,7 @@ static int mt8365_mt6357_gpio_probe(struct snd_soc_card *card)
 		priv->pin_states[i] = pinctrl_lookup_state(priv->pinctrl,
 							   mt8365_mt6357_pin_str[i]);
 		if (IS_ERR(priv->pin_states[i])) {
-			ret = PTR_ERR(priv->pin_states[i]);
-			dev_warn(card->dev, "No pin state for %s\n",
+			dev_info(card->dev, "No pin state for %s\n",
 				 mt8365_mt6357_pin_str[i]);
 		} else {
 			ret = pinctrl_select_state(priv->pinctrl,