Remove spurious base class of `LHCb::Calo::ECorrection`
Both the base class of LHCb::Calo::ECorrection
: LHCb::Calo::Correction::Base
and the class itself inherited from LHCb::DetDesc::ConditionAccessorHolder
. This lead to 2 warnings of duplicate properties.
ClassifyPhotonElectronAlg_b74910... WARNING duplicated property name 'DD4hepSvc', see https://its.cern.ch/jira/browse/GAUDI-1023
CaloFutureMergedPi0_4be91639.Cal... WARNING duplicated property name 'DD4hepSvc', see https://its.cern.ch/jira/browse/GAUDI-1023