staging:iio:light:tsl2563 remove unused headers.

Guessing this is some ancient cut and paste issue.
Signed-off-by: NJonathan Cammeron <jic23@cam.ac.uk>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/staging/iio/light/tsl2563.c

@@ -31,9 +31,7 @@
 #include <linux/sched.h>
 #include <linux/mutex.h>
 #include <linux/delay.h>
-#include <linux/platform_device.h>
 #include <linux/pm.h>
-#include <linux/hwmon.h>
 #include <linux/err.h>
 #include <linux/slab.h>