arch/nios2/mm/fault.c: remove duplicate include

Remove linux/ptrace.h which is included more than once

Link: http://lkml.kernel.org/r/5c45d345.1c69fb81.d90ed.8e05@mx.google.comSigned-off-by: NSabyasachi Gupta <sabyasachi.linux@gmail.com>
Cc: Ley Foon Tan <lftan@altera.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

arch/nios2/mm/fault.c

@@ -24,7 +24,6 @@
 #include <linux/mm.h>
 #include <linux/extable.h>
 #include <linux/uaccess.h>
-#include <linux/ptrace.h>
 
 #include <asm/mmu_context.h>
 #include <asm/traps.h>