remote qlaunch does not work with singleshot mode

[xivh]

qlaunch singleshot for remote jobs fails:

qlaunch: error: unrecognized arguments: --maxjobs_queue None --maxjobs_block None --nlaunches None

It works for rapidfire.

https://github.com/materialsproject/fireworks/blob/2cc3b04f9071fe073efb5d9f5c154d95155ba4b5/fireworks/scripts/qlaunch_run.py#L267