mappings/Makefile: Generate DwC-VegBIEN.specimens.csv from new intermediate DwC.ci-VegBIEN.specimens.csv using $(removeEmpty) so that "No join mapping" errors will be reported when maps are joined to it. Deprecate DwC-VegBIEN.specimens.no_empty.csv because it's now identical to DwC-VegBIEN.specimens.csv.
mappings/Makefile: Generate DwC-VegBIEN.specimens.csv from new intermediate DwC.ci-VegBIEN.specimens.csv using $(removeEmpty) so that "No join mapping" errors will be reported when maps are joined to it. Deprecate DwC-VegBIEN.specimens.no_empty.csv because it's now identical to DwC-VegBIEN.specimens.csv.