ASoC: codecs: ntp8918: Remove duplicate clk.h header

Remove duplicate header which is included twice.

Signed-off-by: Chen Ni <nichen@iscas.ac.cn>
Link: https://patch.msgid.link/20250318081043.2870229-1-nichen@iscas.ac.cn
Signed-off-by: Mark Brown <broonie@kernel.org>

Author: Chen Ni

sound/soc/codecs/ntp8918.c

@@ -8,7 +8,6 @@
  */
 
 #include <linux/kernel.h>
-#include <linux/clk.h>
 #include <linux/reset.h>
 #include <linux/i2c.h>
 #include <linux/regmap.h>