Revert "implementing function to allow scripts to self-replicate as if the owner duplicated them, using the same script delay as llRezObject()"

This reverts commit 2ad9d656b3.

Reverted pending consideration of associated issues.

OpenSim/Region/ScriptEngine/Shared/Api/Interface/IOSSL_Api.cs

@@ -306,12 +306,5 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api.Interfaces
         /// </summary>
         /// <returns>Rezzing object key or NULL_KEY if rezzed by agent or otherwise unknown.</returns>
         LSL_Key osGetRezzingObject();
-
-        /// <summary>
-        /// Duplicates an object as if the owner duplicated it.
-        /// </summary>
-        /// <param name="offset"></param>
-        /// <param name="rot"></param>
-        void osRezDuplicate(vector offset, rotation rot);
     }
 }