Use compiled scripts; rename collected sim tracker hits

benchmarks/tracking/central_electrons.sh

benchmarks/tracking/options/track_reconstruction.py

benchmarks/tracking/scripts/gen_central_electrons.cxx

benchmarks/tracking/scripts/gen_central_pions.cxx

benchmarks/tracking/scripts/gen_multiple_tracks.cxx

benchmarks/tracking/scripts/hits_central_electrons.cxx

benchmarks/tracking/scripts/hits_central_pions.cxx

benchmarks/tracking/scripts/rec_central_electrons.cxx

benchmarks/tracking/scripts/rec_central_pions.cxx

benchmarks/tracking/scripts/rec_multiple_tracks.cxx