[BUG]: Odd subtitles language choices when UI language is non-English

[youri--]

Checklist

• [X] I made sure that there are no existing issues - open or closed - which I could contribute my information to.
• [X] I have read the FAQ and my problem isn't listed.
• [X] I have taken the time to fill in all the required details. I understand that the bug report will be dismissed otherwise.
• [X] This issue contains only one bug.

Affected version

beta 23.55

Device Type

Smart TV/Box

Affected Android

Android TV 11

Steps to reproduce the bug

1. Switch display language to "Nederlands" (Dutch)
2. Restart app
3. Start any video
4. Open subtitles language selection menu
5. Open first submenu "Ondertitels", which holds the manual subtitles

Actual behavior

You are shown extra subtitles language choices which are always present and do nothing: "noord", "schots", "zuid". Which is Dutch for "North", "Scottish", "South".

This also happens with other UI languages, like "Deutsch" (German). Extra choices (that do nothing): "haiti" and "nord"

Additional information

Device: Nvidia Shield TV

This bug has existed for a very long time (years). It was so minor an issue I never bothered reporting it.

[youri--]

Issue #2859 also mentions this bug ("haiti" and "nord").