landlock: Remove useless include

Remove useless audit.h include.

Cc: Günther Noack <[email protected]>
Fixes: 33e65b0 ("landlock: Add AUDIT_LANDLOCK_ACCESS and log ptrace denials")
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Günther Noack <[email protected]>
Signed-off-by: Mickaël Salaün <[email protected]>

Author: l0kod

security/landlock/ruleset.c

@@ -23,7 +23,6 @@
 #include <linux/workqueue.h>
 
 #include "access.h"
-#include "audit.h"
 #include "domain.h"
 #include "limits.h"
 #include "object.h"