Tidy up Online Monitoring for TrigEgamma Reco Algorithms

Merged Edmar Egidio Purcino De Souza requested to merge eegidiop/athena:tidyupOnlineMon into 23.0

Removing some unused histograms in the online monitoring for supercluster builder and TopoEgammaBuilder trigegamma reco algorithms. Reference: ATR-27247 .

ping: @safarzad , @dbakshig

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