Kills all unneeded uses of spawn() (#63876)

Co-authored-by: Mothblocks <35135081+Mothblocks@users.noreply.github.com>

code/modules/mob/dead/observer/logout.dm

@@ -6,6 +6,10 @@
 	if(observetarget && ismob(observetarget))
 		cleanup_observe()
 	..()
+	// This is one of very few spawn()s left in our codebase
+	// Yes it needs to be like this
+	// No, you're not allowed to use spawn() yourself, unless you're making something that needs to work outside timers
+	// Don't be a dumbass, I will always be watching
 	spawn(0)
 		if(src && !key) //we've transferred to another mob. This ghost should be deleted.
 			qdel(src)