Specialist document editions factories return "manual"s
Specialist document editions factories return "manual"s

The only document types we care about for specialist document eidtions
since we split specialist publisher off are manuals so it is no longer
useful for our factories to return instances with "cma_case" for their
document_type.

alphagov/manuals-publisher,alphagov/manuals-publisher,alphagov/manuals-publisher