HGTD_G4_SD → Simulation Relation

File in HighGranularityTimingDetector/HGTD_G4/HGTD_G4_SD	Includes file in Simulation
src / HGTDSensorGmxSD.cxx	G4Sim / MCTruth / MCTruth / TrackHelper.h
src / HGTDSensorSD.cxx	G4Sim / MCTruth / MCTruth / TrackHelper.h
src / HGTDSensorSDTool.h	G4Atlas / G4AtlasTools / G4AtlasTools / SensitiveDetectorBase.h