security: apparmor: remove duplicate includes

These duplicate includes have been found with scripts/checkincludes.pl but
they have been removed manually to avoid removing false positives.

Signed-off-by: Pravin Shedge <pravin.shedge4linux@gmail.com>
Signed-off-by: John Johansen <john.johansen@canonical.com>

security/apparmor/apparmorfs.c

@@ -33,7 +33,6 @@
 #include "include/context.h"
 #include "include/crypto.h"
 #include "include/ipc.h"
-#include "include/policy_ns.h"
 #include "include/label.h"
 #include "include/policy.h"
 #include "include/policy_ns.h"