Stop CHANGED_INVENTORY firing twice if a notecard is edited in prim.

Addresses http://opensimulator.org/mantis/view.php?id=5444
Fix is to stop the asset transaction calling UpdateInventoryItem() since the caller is doing it anyway, which is more correct.
This did not effect scripts.

OpenSim/Region/Framework/Scenes/Scene.Inventory.cs

@@ -1430,6 +1430,10 @@ namespace OpenSim.Region.Framework.Scenes
                 }
                 else // Updating existing item with new perms etc
                 {
+//                    m_log.DebugFormat(
+//                        "[PRIM INVENTORY]: Updating item {0} in {1} for UpdateTaskInventory()", 
+//                        currentItem.Name, part.Name);
+                    
                     IAgentAssetTransactions agentTransactions = this.RequestModuleInterface<IAgentAssetTransactions>();
                     if (agentTransactions != null)
                     {