ASoC: mfld: Remove unused variable

Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

sound/soc/mid-x86/mfld_machine.c

@@ -412,8 +412,6 @@ static int snd_mfld_mc_probe(struct platform_device *pdev)
 
 static int snd_mfld_mc_remove(struct platform_device *pdev)
 {
-	struct mfld_mc_private *mc_drv_ctx = platform_get_drvdata(pdev);
-
 	pr_debug("snd_mfld_mc_remove called\n");
 	snd_soc_unregister_card(&snd_soc_card_mfld);
 	return 0;