Removing unused handling of incoming create object by userID and itemID only.

It appears this was never actually used since attachments were rezzed in other code.
This was never available on remote simulator comms, only local.

OpenSim/Services/Interfaces/ISimulationService.cs

@@ -110,16 +110,6 @@ namespace OpenSim.Services.Interfaces
         /// <returns></returns>
         bool CreateObject(GridRegion destination, Vector3 newPosition, ISceneObject sog, bool isLocalCall);
 
-        /// <summary>
-        /// Create an object from the user's inventory in the destination region. 
-        /// This message is used primarily by clients.
-        /// </summary>
-        /// <param name="regionHandle"></param>
-        /// <param name="userID"></param>
-        /// <param name="itemID"></param>
-        /// <returns></returns>
-        bool CreateObject(GridRegion destination, UUID userID, UUID itemID);
-
         #endregion Objects
 
     }