apparmor: delete profile on VM shutdown

instead of only unloading it. This makes sure old profiles don't pile up
in /etc/apparmor.d/libvirt and we get updates to modified templates on
VM restart.

Reviewed-by: Jim Fehlig <jfehlig@suse.com>

src/security/security_apparmor.c

@@ -220,7 +220,7 @@ remove_profile(const char *profile)
 {
     int rc = -1;
     const char * const argv[] = {
-        VIRT_AA_HELPER, "-R", "-u", profile, NULL
+        VIRT_AA_HELPER, "-D", "-u", profile, NULL
     };
 
     if (virRun(argv, NULL) == 0)