Workflow Node Cleaner

[forestileao]

After adding soft deletion for workflow nodes during update_workflows action. It would be good to add a workflow node cleaner. The logic should be similar to workflow cleanup worker

[abhishek818]

@forestileao I have raised a MR : link, hope its open for external contributions.

[shiroyasha]

Is this still relevant? @lucaspin @forestileao

[lucaspin]

I think this was done as part of the usage / limit effort, right @forestileao ?