This reference was left over when the envvar was removed.
Fixes: 231ccb6100 ("docs: Remove no-longer-accurate text about the xlib driver")
Reviewed-by: Yonggang Luo <luoyonggang@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/19593>
6.2 KiB
6.2 KiB