ASoC: wm8985: Remove unused pointer in wm8985_remove()

Commit a0b148b (ASoC: wm8985: Use devm_regulator_bulk_get()) removed the last
user of pointer wm8985 to struct wm8985_priv. Thus remove it. Detected by
Coverity CID 1222150.

Signed-off-by: Christian Engelmayer <cengelma@gmx.at>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

sound/soc/codecs/wm8985.c

@@ -980,9 +980,6 @@ static int wm8985_resume(struct snd_soc_codec *codec)
 
 static int wm8985_remove(struct snd_soc_codec *codec)
 {
-	struct wm8985_priv *wm8985;
-
-	wm8985 = snd_soc_codec_get_drvdata(codec);
 	wm8985_set_bias_level(codec, SND_SOC_BIAS_OFF);
 	return 0;
 }