Remove old trigger calo packages

Stewart Martin-Haughrequested to merge
smh/athena:remove_old_calo into master

Remove agreed obsolete packages, discussed with @damazio. Part of ATR-19150:

TrigT2CaloTileMon
TrigT2CaloJet
TrigT2CaloCosmic
TrigT2CaloTau
Edited by Frank Winklmeier

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