refactor: get_ascii_fileid unused export (#7011)
refactor: get_ascii_fileid unused export (#7011)

This export appears to be added in commit 23ac0344156, however, I can't
find its associated function.

Co-authored-by: Stéphane Gigandet <36bd4f73be32ed7262c164e7ee72163e7543989e@openfoodfacts.org>
openfoodfacts/openfoodfacts-server,openfoodfacts/openfoodfacts-server,openfoodfacts/openfoodfacts-server,openfoodfacts/openfoodfacts-server,openfoodfacts/openfoodfacts-server