runHLT_standalone: cleanup and further Modifier removal
Code cleanup and remove the following Modifiers:
- remove leftover setting of
flags.LAr.LATOME.DTInfoForL1
which is now the default value - remove
useOracle
(we do not have sqlite-based DBReleases anymore) - remove
useNewRPCCabling
as theRpcCablingMode
flag is no longer used - remove
ForceMuonDataType
as these flags are not longer used