mappings/DwC1-DwC2.specimens.csv: Remove date -> date/_alt/2 mappings because they prevent the original DwC2 date field from being mapped to without an extra /_alt/2 appended
mappings/DwC1-DwC2.specimens.csv: Remove date -> date/_alt/2 mappings because they prevent the original DwC2 date field from being mapped to without an extra /_alt/2 appended