Get rid of some cruft left over from before I could run trafgens

inside jails.

tbsetup/ns2ir/traffic.tcl

@@ -122,22 +122,8 @@ Agent instproc updatedb {DB} {
     set target_port [$destination set port]
 
     # At some point allow users to set link. For now, first link (0).
-    # XXX Hack for local virtual nodes. Eventually use ipinip tunnels,
-    # but for now just send over the existing link.
-    if { [$node set isvirt] == 1 &&
-         [$node set isremote] == 0 } {
-	set foo [$node set fixed]
-	set ip [$foo ip 0]
-    } else {
-	set ip [$node ip 0]
-    }
-    if { [$target_vnode set isvirt] == 1 &&
-         [$target_vnode set isremote] == 0 } {
-	set foo [$target_vnode set fixed]
-	set target_ip [$foo ip 0]
-    } else {
-	set target_ip [$target_vnode ip 0]
-    }
+    set ip [$node ip 0]
+    set target_ip [$target_vnode ip 0]
 
     if {$role == "sink"} {
 	set application $self