Revert "gallium/hud: Use do_once for one-time init"

This reverts commit 2e81ec5e009e3fbeef3fe1a76f2dfee428b7c160.

Acked-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7760>
1 file changed