Cleans up a lot of globals a few other vars (#23246)

* i hate globals i hate globals

* more fucking of these

* sirryan review

code/modules/client/preference/loadout/gear_tweaks.dm

@@ -16,7 +16,6 @@
 /*
 * Color adjustment
 */
-GLOBAL_DATUM_INIT(gear_tweak_free_color_choice, /datum/gear_tweak/color, new())
 
 /datum/gear_tweak/color
 	var/list/valid_colors

code/modules/client/preference/preferences_spawnpoints.dm

@@ -1,20 +0,0 @@
-GLOBAL_LIST_EMPTY(spawntypes)
-
-/proc/populate_spawn_points()
-	// GLOB.spawntypes = list() | This is already done, is it not
-	for(var/type in subtypesof(/datum/spawnpoint))
-		var/datum/spawnpoint/S = new type()
-		GLOB.spawntypes[S.display_name] = S
-
-/datum/spawnpoint
-	var/msg          //Message to display on the arrivals computer.
-	var/list/turfs   //List of turfs to spawn on.
-	var/display_name //Name used in preference setup.
-
-/datum/spawnpoint/arrivals
-	display_name = "Arrivals Shuttle"
-	msg = "has arrived on the station"
-
-/datum/spawnpoint/arrivals/New()
-	..()
-	turfs = GLOB.latejoin