You deleted them in Roon, or, did you remove the RoonAlbumTag metadata that the SongKong software embeds in the actual audio tracks - As described in this post?
If that metadata is still there then Roon will try and recreate all those Tags again.
You deleted them in Roon, or, did you remove the RoonAlbumTag metadata that the SongKong software embeds in the actual audio tracks - As described in this post?
If that metadata is still there then Roon will try and recreate all those Tags again.