selinux: remove secondary ops call to task_kill

Remove secondary ops call to task_kill, which is
a noop in capabilities.

Acked-by: Serge Hallyn <serue@us.ibm.com>
Acked-by: Eric Paris <eparis@redhat.com>
Signed-off-by: James Morris <jmorris@namei.org>
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 3aaa63c..0bd36a1 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -3405,10 +3405,6 @@
 	u32 perm;
 	int rc;
 
-	rc = secondary_ops->task_kill(p, info, sig, secid);
-	if (rc)
-		return rc;
-
 	if (!sig)
 		perm = PROCESS__SIGNULL; /* null signal; existence test */
 	else