Revert spurious centrality commit

Author: David Dobrigkeit Chinellato

Common/Tasks/centralityStudy.cxx

@@ -209,7 +209,6 @@ struct centralityStudy {
       histos.add("hNITSTPCTracksVsCentrality", "hNITSTPCTracksVsCentrality", kTH2F, {axisCentrality, axisMultPVContributors});
       histos.add("hNITSOnlyTracksVsCentrality", "hNITSOnlyTracksVsCentrality", kTH2F, {axisCentrality, axisMultPVContributors});
       histos.add("hNGlobalTracksVsCentrality", "hNGlobalTracksVsCentrality", kTH2F, {axisCentrality, axisMultPVContributors});
-      histos.add("hNGlobalTracksEtaHalfVsCentrality", "hNGlobalTracksEtaHalfVsCentrality", kTH2F, {axisCentrality, axisMultPVContributors});
       histos.add("hNMFTTracksVsCentrality", "hNMFTTracksVsCentrality", kTH2F, {axisCentrality, axisMultMFTTracks});
       histos.add("hPVChi2VsCentrality", "hPVChi2VsCentrality", kTH2F, {axisCentrality, axisPVChi2});
       histos.add("hDeltaTimeVsCentrality", "hDeltaTimeVsCentrality", kTH2F, {axisCentrality, axisDeltaTime});
@@ -387,7 +386,6 @@ struct centralityStudy {
       histos.fill(HIST("hNITSTPCTracksVsCentrality"), collision.centFT0C(), collision.multNTracksITSTPC());
       histos.fill(HIST("hNITSOnlyTracksVsCentrality"), collision.centFT0C(), collision.multNTracksITSOnly());
       histos.fill(HIST("hNGlobalTracksVsCentrality"), collision.centFT0C(), collision.multNTracksGlobal());
-      histos.fill(HIST("hNGlobalTracksEtaHalfVsCentrality"), collision.centFT0C(), collision.multNGlobalTracksPVetaHalf());
       histos.fill(HIST("hNMFTTracksVsCentrality"), collision.centFT0C(), collision.mftNtracks());
       histos.fill(HIST("hPVChi2VsCentrality"), collision.centFT0C(), collision.multPVChi2());