RecExRecoTest_ART_caloTopoClustering_fromESD.py: Disable track-based thinning
RecExRecoTest_ART_caloTopoClustering_fromESD.py: Disable track-based thinning that caused a crash when running with multiple threads.
RecExRecoTest_ART_caloTopoClustering_fromESD.py: Disable track-based thinning that caused a crash when running with multiple threads.