ASoC: arizona: remove duplicated include from arizona.c

Remove duplicated include.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/codecs/arizona.c

@@ -14,7 +14,6 @@
 #include <linux/gcd.h>
 #include <linux/module.h>
 #include <linux/pm_runtime.h>
-#include <linux/delay.h>
 #include <sound/pcm.h>
 #include <sound/pcm_params.h>
 #include <sound/tlv.h>