runHLT_standalone: cleanup and further Modifier removal
Code cleanup and remove the following Modifiers:
- remove leftover setting of
flags.LAr.LATOME.DTInfoForL1which is now the default value - remove
useOracle(we do not have sqlite-based DBReleases anymore) - remove
useNewRPCCablingas theRpcCablingModeflag is no longer used - remove
ForceMuonDataTypeas these flags are not longer used