Use latin script languages whitelist
Summary:
Labels should be only fill for names in latin scripts,
to let contributor in other scripts take responsibility
to use or not translitteration.
This is a follow-up for acaa81ab.
Test Plan:
Test procedure
- ./create_surname <some name>
- ./create_given_name <some given name>
Test items
- Surname: https://www.wikidata.org/wiki/Q25938837
- Given name: https://www.wikidata.org/wiki/Q25938836
Reviewers: Ash-Crow
Subscribers: Thibaut120094
Differential Revision: https://devcentral.nasqueron.org/D523