Remove FATRAS for MS from ATLFASTIIF_G4MS
ATLFASTIIF_G4MS
is supposed to use G4 in the MS, not FATRAS.
This patch removes ISF_MuonFatrasSelector
from CaloSimulationSelectors
,
improving level agreement between ATLFASTII
and ATLFASTIIF_G4MS
physics
results (with only a small hit in processing time); see here for plots.