fix perVtx

Signed-off-by: Felix Schlepper <felix.schlepper@cern.ch>

Author: f3sch

Detectors/ITSMFT/ITS/tracking/src/TrackerTraits.cxx

@@ -645,7 +645,6 @@ void TrackerTraits<nLayers>::processNeighbours(int iLayer, int iLevel, const bou
           short minRof{std::numeric_limits<short>::max()}, maxRof{std::numeric_limits<short>::min()};
           for (int iLayer{0}; iLayer < mTrkParams[0].NLayers; ++iLayer) {
             if (const auto clsId = currentCell.getCluster(iLayer); clsId != constants::UnusedIndex) {
-              const auto& lbl = mTimeFrame->getClusterLabels(iLayer, clsId);
               const short clsROF = mTimeFrame->getClusterROF(iLayer, clsId);
               minRof = std::min(minRof, clsROF);
               maxRof = std::max(maxRof, clsROF);