ASoC: tlv320aic3x: Remove unused version string

Signed-off-by: Jarkko Nikula <jhnikula@gmail.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
diff --git a/sound/soc/codecs/tlv320aic3x.c b/sound/soc/codecs/tlv320aic3x.c
index 556123b..260a2be 100644
--- a/sound/soc/codecs/tlv320aic3x.c
+++ b/sound/soc/codecs/tlv320aic3x.c
@@ -49,8 +49,6 @@
 
 #include "tlv320aic3x.h"
 
-#define AIC3X_VERSION "0.2"
-
 /* codec private data */
 struct aic3x_priv {
 	struct snd_soc_codec codec;