reduce member of struct because of limit under 100 and add o2-linter option again

Author: hanseopark

PWGJE/Tasks/jetTaggerHFQA.cxx

@@ -108,9 +108,6 @@ struct JetTaggerHFQA {
   ConfigurableAxis binSigmaLxyz{"binSigmaLxyz", {100, 0., 0.1}, ""};
 
   int numberOfJetFlavourSpecies = 6;
-  std::size_t firstTaggerForTrackCounting = 0;
-  std::size_t secondTaggerForTrackCounting = 1;
-  std::size_t thirdTaggerForTrackCounting = 2;
   float kUnsetJetAreaFraction = -98.0;
   float kUnsetConstituentPtMin = -98.0;
   float kUnsetConstituentPtMax = 9998.0;