iio: proximity: irsd200: Drop unused include

The driver includes the legacy GPIO header <linux/gpio.h> but doesn't
use any symbols from it. Drop it.

Signed-off-by: Linus Walleij <[e-mail]>
Reviewed-by: Waqar Hameed <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Jonathan Cameron <[e-mail]>

drivers/iio/proximity/irsd200.c

···
 
 #include <asm/unaligned.h>
 #include <linux/bitfield.h>
-#include <linux/gpio.h>
 #include <linux/i2c.h>
 #include <linux/module.h>
 #include <linux/regmap.h>