See if fac waypoint hax can get removed

[sprunk]

See ced80d60ca28ecf1fabd44f9f643ed95a9e2e956. Recent engine has been improving pathing a lot so if there's still an engine bug it's a good opportunity to fix it while devs still have a good understanding of the involved systems in their minds. Perhaps put the logic under not Script.IsEngineMinVersion(105, 2000) or such.