Input: gpio_keys - remove duplicate includes

Signed-off-by: NJesper Juhl <jesper.juhl@gmail.com>
Signed-off-by: NDmitry Torokhov <dtor@mail.ru>

drivers/input/keyboard/gpio_keys.c

@@ -22,7 +22,6 @@
 #include <linux/delay.h>
 #include <linux/platform_device.h>
 #include <linux/input.h>
-#include <linux/irq.h>
 #include <linux/gpio_keys.h>
 
 #include <asm/gpio.h>