TauTrig : adding MET+tau Primary chains with Phase1 + remove unused properties in TrigTauRecMerged (ATR-25124)
This MR will add Primary/Support tau+MET chains using Phase-1 L1 :
HLT_tau50_mediumRNN_tracktwoMVA_xe80_tcpufit_xe50_cell_L1jXE100
HLT_tau50_mediumRNN_tracktwoMVA_xe80_pfopufit_xe50_cell_L1jXE100
HLT_tau50_mediumRNN_tracktwoMVABDT_xe80_tcpufit_xe50_cell_L1jXE100
HLT_tau50_mediumRNN_tracktwoMVABDT_xe80_pfopufit_xe50_cell_L1jXE100
Take also the opportunity to remove unused properties in TrigTauRecMerged code
Tagging @khoo and @sshaw from the menu side and @iriu, @gipezzul, @martindl, @carquin from the tau trigger side