Code cleanup charged calo rec following Calo SOACollections

Following !2937 (merged), some charged calo pid / brem reco algos making SOACollection relation tables can be cleaned up.

See:

• https://gitlab.cern.ch/lhcb/Rec/-/blob/master/CaloFuture/CaloFuturePIDs/src/MergeTrackMatchTables.cpp#L74

FYI: @graven @ahennequ