These have been forgotten on some major cleanup back almost two decades ago.
(Daniel dropped a lot of dead code, which already had been removed earlier
but merged back accidentially).
Didn't look further back on where exactly they had become obsolete - being
unused for decades should be enough justification for dropping.
Fixes: 81913a1291
Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
Part-of: <https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/1405>
(cherry picked from commit a1fa019012)
f171a631ff