ASoC: Remove driver versioning from ak4642

It's never been updated so it can't be that useful and it makes the
driver needlessly chatty.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/codecs/ak4642.c

@@ -32,8 +32,6 @@
 #include <sound/initval.h>
 #include <sound/tlv.h>
 
-#define AK4642_VERSION "0.0.1"
-
 #define PW_MGMT1	0x00
 #define PW_MGMT2	0x01
 #define SG_SL1		0x02
@@ -473,8 +471,6 @@ static int ak4642_probe(struct snd_soc_codec *codec)
 	struct ak4642_priv *ak4642 = snd_soc_codec_get_drvdata(codec);
 	int ret;
 
-	dev_info(codec->dev, "AK4642 Audio Codec %s", AK4642_VERSION);
-
 	ret = snd_soc_codec_set_cache_io(codec, 8, 8, ak4642->control_type);
 	if (ret < 0) {
 		dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);