docs: remove stale envvar-reference

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>
This commit is contained in:
Erik Faye-Lund 2022-11-08 10:37:10 +01:00
parent 4eef5628c8
commit 9bfa939a5e

View File

@ -170,6 +170,3 @@ Summary of X-related environment variables
| :envvar:`MESA_BACK_BUFFER` | specifies how to implement the back |
| | color buffer (X only) |
+-----------------------------+--------------------------------------+
| :envvar:`MESA_GAMMA` | gamma correction coefficients |
| | (X only) |
+-----------------------------+--------------------------------------+