ASoC: twl4030: Remove embedded snd_soc_codec structs from private data structs

It is unused and a leftover of the pre multi-component era.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

sound/soc/codecs/twl4030.c

@@ -137,8 +137,6 @@ static const u8 twl4030_reg[TWL4030_CACHEREGNUM] = {
 
 /* codec private data */
 struct twl4030_priv {
-	struct snd_soc_codec codec;
-
 	unsigned int codec_powered;
 
 	/* reference counts of AIF/APLL users */