Clean up import

PhysicsAnalysis/DerivationFramework/DerivationFrameworkCalo/python/DerivationFrameworkCaloConfig.py

-# Copyright (C) 2002-2023 CERN for the benefit of the ATLAS collaboration
+# Copyright (C) 2002-2024 CERN for the benefit of the ATLAS collaboration
 #!/usr/bin/env python
 
-from egammaRec import egammaKeys
 from AthenaConfiguration.ComponentAccumulator import ComponentAccumulator
 from AthenaConfiguration.ComponentFactory import CompFactory