Input: joydev - remove unused linux/miscdevice.h include

This patch remove the inclusion of linux/miscdevice.h for joydev
since it does not use miscdevice.

Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

drivers/input/joydev.c

@@ -22,7 +22,6 @@
 #include <linux/sched.h>
 #include <linux/slab.h>
 #include <linux/mm.h>
-#include <linux/miscdevice.h>
 #include <linux/module.h>
 #include <linux/poll.h>
 #include <linux/init.h>