User:Erutuon/lists/invalid language codes in alternative language redirect template

Redirects with {{r from alternative language}} in which one of the language codes is not in either Module:Language/data/iana languages or Module:Language/data/ISO 639-3, from the 2020-08-20 dump. There are some false positives because I didn't parse IETF language tags (en-gb) or remove HTML comments.