make sure XEngine does release script events when a script is destroyed

OpenSim/Region/Framework/Scenes/SceneObjectPartInventory.cs

@@ -1112,9 +1112,6 @@ namespace OpenSim.Region.Framework.Scenes
                     m_part.RemFlag(PrimFlags.Scripted);
                 }
 
-                if (type == (int)InventoryType.LSL)
-                    m_part.aggregateScriptEvents(); // this also does full update
-                else
                 m_part.ScheduleFullUpdate();
 
                 m_part.TriggerScriptChangedEvent(Changed.INVENTORY);

OpenSim/Region/ScriptEngine/Shared/Instance/ScriptInstance.cs

@@ -490,6 +490,9 @@ namespace OpenSim.Region.ScriptEngine.Shared.Instance
         {
             ReleaseControls();
             AsyncCommandManager.RemoveScript(Engine, LocalID, ItemID);
+            SceneObjectPart part = Engine.World.GetSceneObjectPart(LocalID);
+            if (part != null)
+                part.RemoveScriptEvents(ItemID);
         }
 
         public void RemoveState()