runHLT_standalone: remove useOnlineLumi Modifier
Remove the useOnlineLumi Modifier and migrate to use the CA generator.
Note that we are now also configuring the LuminosityCondAlg for MC,
which presumably was done elsewhere before.
Remove the useOnlineLumi Modifier and migrate to use the CA generator.
Note that we are now also configuring the LuminosityCondAlg for MC,
which presumably was done elsewhere before.