regulator: rk808: Drop useless headers

The RK808 is already using the proper <linux/gpio/consumer.h>
header and includes the legacy headers <linux/gpio.h> and
<linux/of_gpio.h> for no reason, drop the includes.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20230911-descriptors-regulator-v2-1-ce978c52c557@linaro.orgSigned-off-by: Mark Brown <broonie@kernel.org>

drivers/regulator/rk808-regulator.c

@@ -15,10 +15,8 @@
  */
 
 #include <linux/delay.h>
-#include <linux/gpio.h>
 #include <linux/module.h>
 #include <linux/of.h>
-#include <linux/of_gpio.h>
 #include <linux/mfd/rk808.h>
 #include <linux/platform_device.h>
 #include <linux/regulator/driver.h>