ASoC: Remove unneeded hw_write initialisation in wm8523

It is not required after commit 8d50e447
"ASoC: Factor out I/O for Wolfson 8 bit data 16 bit register CODECs"
Signed-off-by: NAxel Lin <axel.lin@gmail.com>
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/codecs/wm8523.c

@@ -406,7 +406,6 @@ static int wm8523_probe(struct snd_soc_codec *codec)
 	struct wm8523_priv *wm8523 = snd_soc_codec_get_drvdata(codec);
 	int ret, i;
 
-	codec->hw_write = (hw_write_t)i2c_master_send;
 	wm8523->rate_constraint.list = &wm8523->rate_constraint_list[0];
 	wm8523->rate_constraint.count =
 		ARRAY_SIZE(wm8523->rate_constraint_list);