Remove unreferenced code

GaudiKernel/src/Lib/KeyedObject.cpp

-// Include files
-#include "GaudiKernel/ContainedObject.h"
-#include "GaudiKernel/GaudiException.h"
-#include "GaudiKernel/IDataProviderSvc.h"
-#include "GaudiKernel/IRegistry.h"
-#include "GaudiKernel/Kernel.h"
-#include "GaudiKernel/LinkManager.h"
-#include "GaudiKernel/ObjectContainerBase.h"
-
-/**
-
-  Namespace for basic object handling within container classes
-
-*/
-namespace Objects
-{
-  bool access( const ContainedObject* from, ContainedObject** to );
-  bool access( const DataObject* from, DataObject** to );
-
-  template <class TO, class FROM>
-  TO* reference( FROM* from )
-  {
-    ContainedObject* to = nullptr;
-    return access( from, &to ) ? dynamic_cast<TO*>( to ) : nullptr;
-  }
-}
-
-bool Objects::access( const DataObject* from, DataObject** to )
-{
-  DataObject* src = const_cast<DataObject*>( from );
-  DataObject* tar = nullptr;
-  if ( src ) {
-    LinkManager* mgr = src->linkMgr();
-    if ( mgr ) {
-      LinkManager::Link* link = mgr->link( long( 0 ) );
-      if ( link ) {
-        tar = link->object();
-        if ( !tar ) {
-          IRegistry* reg = src->registry();
-          if ( reg ) {
-            IDataProviderSvc* ds = reg->dataSvc();
-            if ( ds && ds->retrieveObject( link->path(), tar ).isSuccess() ) {
-              link->setObject( tar );
-            }
-          }
-        }
-      }
-    }
-  }
-  *to = tar;
-  return tar != nullptr;
-}
-
-// Load on demand: ContainedObject type references
-bool Objects::access( const ContainedObject* from, ContainedObject** to )
-{
-  *to = nullptr;
-  if ( from ) {
-    DataObject* tar = nullptr;
-    if ( access( from->parent(), &tar ) ) {
-      ObjectContainerBase* cnt = dynamic_cast<ObjectContainerBase*>( tar );
-      if ( cnt ) {
-        *to = cnt->containedObject( from->index() );
-      }
-    }
-  }
-  return *to != nullptr;
-}