Review feedback requested a change that was incorrect, causing Xorg to
start to fail, but I forgot to retest the manual -full jobs that relied on
it.
Fixes: 99a6f2a186 ("ci: Set the path to the VK drivers during HWCI_START_XORG/WESTON.")
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/20523>