remove FLT_AOR check

kamailio/nat-traversal-role.cfg

@@ -71,7 +71,7 @@ route[NAT_DETECT]
 
 route[NAT_MANAGE] 
 {
-   if ( is_request() && isflagset(FLAG_INTERNALLY_SOURCED) && isflagset(FLT_AOR)) {
+   if ( is_request() && isflagset(FLAG_INTERNALLY_SOURCED)) {
         setbflag(FLB_NATB);
    }