Cultural Leonesa are still listed as a Leeds affiliate. We have not had links with Leonesa and the ASPIRE Academy (not listed as a partner) since Leeds board member Ivan Bravo left in 2019, who was also vice president at Leonesa at the time and director of the ASPIRE Academy.
(Linked the best sources possible as no official announcement was ever really made)
https://web.archive.org/web/20180104013923/https://www.leedsunited.com/news/club-news/22815/leeds-united-launch-aspire-academy-partnership
https://www.transfermarkt.co.uk/ivan-bravo/stationen/trainer/100044/plus/1
https://www.aspire.qa/about/partners
Leeds - Charlie Cresswell and his brother in the U18s Alfie Cresswell don't have a 'relation' link made between them in the 'favoured personnel' section of personal information https://theathletic.com/2886578/2021/10/15/charlie-cresswell-i-cant-make-mistakes-now-premier-league-players-are-like-robots/