ARM: Remove duplicate linux/sched.h include from arch/arm/plat-iop/time.c

There's no need to include linux/sched.h more than once
in arch/arm/plat-iop/time.c

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

arch/arm/plat-iop/time.c

@@ -17,7 +17,6 @@
 #include <linux/interrupt.h>
 #include <linux/time.h>
 #include <linux/init.h>
-#include <linux/sched.h>
 #include <linux/timex.h>
 #include <linux/sched.h>
 #include <linux/io.h>