replace the tick() by a limit on the maximum number of tokens that can be

acumulated ( variable named BurtRate, not exactly a rate...)

OpenSim/Region/ClientStack/Linden/UDP/LLUDPClient.cs

@@ -616,8 +616,6 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                         {
                             // No packets in this queue. Fire the queue empty callback
                             // if it has not been called recently
-
-                            bucket.Tick(); // tick the bucket
                             emptyCategories |= CategoryToFlag(i);
                         }
                     }