New comment by Chocimier on void-packages repository

https://github.com/void-linux/void-packages/pull/23590#issuecomment-658918655

Comment:
1. Old texliveYYYY-bin can stay providing tex, for this reason or for delaying update to newest.
2. It is practically unspecified which provider xbps will preserve and which remove on `xbps-remove -o` when two exist, so both providing does not help here.