apparmor: Remove the unused variable rules

Variable rules is not effectively used, so delete it.

security/apparmor/lsm.c:182:23: warning: variable ‘rules’ set but not used.

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=22942
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Signed-off-by: John Johansen <john.johansen@canonical.com>

Author: wb-zjp846396

security/apparmor/lsm.c

@@ -179,10 +179,8 @@ static int apparmor_capget(const struct task_struct *target, kernel_cap_t *effec
 		struct label_it i;
 
 		label_for_each_confined(i, label, profile) {
-			struct aa_ruleset *rules;
 			kernel_cap_t allowed;
 
-			rules = profile->label.rules[0];
 			allowed = aa_profile_capget(profile);
 			*effective = cap_intersect(*effective, allowed);
 			*permitted = cap_intersect(*permitted, allowed);