ASoC: samsung: rx1950_uda1380: Remove unused variable

Fixes the following warning:
sound/soc/samsung/rx1950_uda1380.c:228:6: warning: unused variable ‘err’ [-Wunused-variable]
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>

sound/soc/samsung/rx1950_uda1380.c

@@ -226,7 +226,6 @@ static int rx1950_uda1380_init(struct snd_soc_pcm_runtime *rtd)
 {
 	struct snd_soc_codec *codec = rtd->codec;
 	struct snd_soc_dapm_context *dapm = &codec->dapm;
-	int err;
 
 	snd_soc_dapm_enable_pin(dapm, "Headphone Jack");
 	snd_soc_dapm_enable_pin(dapm, "Speaker");