Remove z error plot from archive explorer.

services/archive_explorer/app/Histograms.cxx

@@ -28,7 +28,6 @@ Histograms::Histograms()
   CreateHisto(fHStsHitsTime, "/sts/hits", "hStsHitsTime", "Sts Hits Time", 1000, 0, 128000000);
   CreateHisto(fHStsHitsDx, "/sts/hits", "hStsHitsDx", "Sts Hits Dx", 100, 0, 0.1);
   CreateHisto(fHStsHitsDy, "/sts/hits", "hStsHitsDy", "Sts Hits Dy", 100, 0, 0.1);
-  CreateHisto(fHStsHitsDz, "/sts/hits", "hStsHitsDz", "Sts Hits Dz", 100, 0, 0.1);
   CreateHisto(fHStsHitsDxy, "/sts/hits", "hStsHitsDxy", "Sts Hits Dxy", 100, 0, 0.1);
   CreateHisto(fHStsHitsTimeError, "/sts/hits", "hStsHitsTimeError", "Sts Hits Time Error", 100, 0, 0.1);
   CreateHisto(fHStsHitsDu, "/sts/hits", "hStsHitsDu", "Sts Hits Du", 100, 0, 0.1);
@@ -71,7 +70,6 @@ void Histograms::FillHistos(HistoData fill)
       fHStsHitsTime->Fill(hit.Time());
       fHStsHitsDx->Fill(hit.Dx());
       fHStsHitsDy->Fill(hit.Dy());
-      fHStsHitsDz->Fill(hit.fDz);
       fHStsHitsDxy->Fill(hit.fDxy);
       fHStsHitsTimeError->Fill(hit.TimeError());
       fHStsHitsDu->Fill(hit.fDu);

services/archive_explorer/app/Histograms.h

@@ -34,7 +34,6 @@ namespace cbm::explore
     TH1I* fHStsHitsTime      = nullptr;
     TH1F* fHStsHitsDx        = nullptr;
     TH1F* fHStsHitsDy        = nullptr;
-    TH1F* fHStsHitsDz        = nullptr;
     TH1F* fHStsHitsDxy       = nullptr;
     TH1F* fHStsHitsTimeError = nullptr;
     TH1F* fHStsHitsDu        = nullptr;