Fix language tags resource file
NONE
The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_4882). All of your documentation changes will be reflected on that endpoint.
2022-08-24T06:14:25Z
https://github.com/huggingface/datasets/pull/4882#issuecomment-1225246316
https://api.github.com/repos/huggingface/datasets/issues/4882
IC_kwDODunzps5JB8Zs
https://api.github.com/repos/huggingface/datasets/issues/comments/1225246316/reactions
2022-08-24T06:14:25Z
https://api.github.com/repos/huggingface/datasets/issues/comments/1225246316
https://avatars.githubusercontent.com/u/99929124?v=4
https://api.github.com/users/HuggingFaceDocBuilderDev/events{/privacy}
https://api.github.com/users/HuggingFaceDocBuilderDev/followers
https://api.github.com/users/HuggingFaceDocBuilderDev/following{/other_user}
https://api.github.com/users/HuggingFaceDocBuilderDev/gists{/gist_id}
https://github.com/HuggingFaceDocBuilderDev
HuggingFaceDocBuilderDev
U_kgDOBfTMJA
https://api.github.com/users/HuggingFaceDocBuilderDev/orgs
https://api.github.com/users/HuggingFaceDocBuilderDev/received_events
https://api.github.com/users/HuggingFaceDocBuilderDev/repos
https://api.github.com/users/HuggingFaceDocBuilderDev/starred{/owner}{/repo}
https://api.github.com/users/HuggingFaceDocBuilderDev/subscriptions
User
https://api.github.com/users/HuggingFaceDocBuilderDev
public
This PR fixes/updates/adds ALL language tags from IANA (as of 2022-08-08).

This PR also removes all BCP47 suffixes (the languages file only contains language subtags, i.e. ISO 639 1 or 2 codes; no script/region/variant suffixes). See:
- #4753