Update brasov feed to deprecated and tirana to official

[ianktc]

Addresses contributor request from github

[ianktc]

Unfortunately the duplicate RATBV feed wasn't caught because the URLs are different despite the feeds being the same.

[emmambd]

@ianktc I see now that this is actually the same URL - any idea why our acceptance tests didn't catch it?

[ianktc]

@emmambd They're pretty much the same but not quite exactly which is why it didn't fail in the github action. Its a difference between github site itself and raw CDN site (raw.githubusercontent)

https://mobilitydatabase.org/feeds/gtfs/mdb-2903: https://raw.githubusercontent.com/szjozsef/osm2gtfs/refs/heads/master/output/gtfs/ro-ratbv.zip

https://mobilitydatabase.org/feeds/gtfs/mdb-2143: https://github.com/szjozsef/osm2gtfs/raw/refs/heads/master/output/gtfs/ro-ratbv.zip

[emmambd]

@ianktc Got it! Can you add an issue to the mobility-feed-api repo to explore doing fuzzy matches on URLs in cases like this through Retool? That way we don't forget :)