message: remove unused arrays with strings
diff: @@ -2270,9 +2270,6 @@ TList * AliAnaPi0::GetCreateOutputObjects()
  if ( IsDataMC() && IsStudyClusterOverlapsPerGeneratorOn() )
  {
  - TString mcGenNames[] = {"","_MC_Pi0Merged","_MC_Pi0Decay","_MC_EtaDecay","_MC_PhotonOther","_MC_Electron","_MC_Other"};
  - TString mcGenTitle[] = {"",",MC Pi0-Merged",",MC Pi0-Decay",", MC Eta-Decay",", MC Photon other sources",", MC Electron",", MC other sources"};
  -
  TString tagBkgNames[] = {
  "Clean", "HijingBkg", "NotHijingBkg", "HijingAndOtherBkg",
  "Clean_HijingBkg", "Clean_NotHijingBkg", "Clean_HijingAndOtherBkg",
  