Reverts #20467
For some reason, if you put a png into icon() and then show that to a
client, it uses a colossal amount of GPU. No idea.
Reverts to our older lobby system pending TGUI update.
Fixes#21489
Turned a ton of unmanaged globals into managed globals.
Refactored some UT output.
Removed some unused things, including vars.
Added a test to ensure people don't keep adding new unmanaged vars.
* Fix ruin spawning, LZ deletion, UTs and more
* augh
* fix AST exoplanet generation for real
* Fix landing zones turning into rock walls
* fix awaysite runtimes
* im blind
* missed one
* split exoplanet UTs to new UT
* comments
* obj path fixes
Wildkins