Three factories in sot never used

sot/inc/sot/sotdata.hxx

@@ -51,9 +51,6 @@ struct SotData_Impl
     sal_uInt32          nSvObjCount;
     std::list<SotObject*> aObjectList;
     SotFactoryList *    pFactoryList;
-    SotFactory *        pSotObjectFactory;
-    SotFactory *        pSotStorageStreamFactory;
-    SotFactory *        pSotStorageFactory;
     tDataFlavorList*    pDataFlavorList;
     SotData_Impl();
 };

sot/source/base/factory.cxx

@@ -48,18 +48,17 @@
 SotData_Impl::SotData_Impl()
     : nSvObjCount( 0 )
     , pFactoryList( NULL )
-    , pSotObjectFactory( NULL )
-    , pSotStorageStreamFactory( NULL )
-    , pSotStorageFactory( NULL )
     , pDataFlavorList( NULL )
 {
 }
+
 /*************************************************************************
 |*    SOTDATA()
 |*
 |*    Beschreibung
 *************************************************************************/
 namespace { struct ImplData : public rtl::Static<SotData_Impl, ImplData> {}; }
+
 SotData_Impl * SOTDATA()
 {
     return &ImplData::get();