Change from misleading UseEleBDT to UseAbsEta property for Tau code

Since EleBDT has been phased out in R22, change mis-leading property name "UseEleBDT" to more appropriate name "UseAbsEta".

Tagging @martindl

PhysicsAnalysis/DerivationFramework/DerivationFrameworkTau/python/TauCommon.py

@@ -230,7 +230,7 @@ def addTauWPDecoration(Seq=None, evetoFixTag=None):
                                                   DecorWPNames = [ "EleRNNLoose_"+evetoFixTag, "EleRNNMedium_"+evetoFixTag, "EleRNNTight_"+evetoFixTag ],
                                                   DecorWPCutEffs1P = [0.95, 0.90, 0.85],
                                                   DecorWPCutEffs3P = [0.98, 0.95, 0.90],
-                                                  UseEleBDT = True,
+                                                  UseAbsEta = True,
                                                   ScoreName = "RNNEleScore",
                                                   NewScoreName = "RNNEleScoreSigTrans_"+evetoFixTag,
                                                   DefineWPs = True )