some more globals (#19098)

* some more globals

* .

code/modules/client/client procs.dm

@@ -282,14 +282,14 @@ GLOBAL_LIST_INIT(blacklisted_builds, list(
 	GLOB.tickets.ClientLogin(src)
 
 	//preferences datum - also holds some persistant data for the client (because we may as well keep these datums to a minimum)
-	prefs = preferences_datums[ckey]
+	prefs = GLOB.preferences_datums[ckey]
 	if(prefs)
 		prefs.client = src
 		prefs.load_savefile() // just to make sure we have the latest data
 		prefs.apply_all_client_preferences()
 	else
 		prefs = new /datum/preferences(src)
-		preferences_datums[ckey] = prefs
+		GLOB.preferences_datums[ckey] = prefs
 	prefs.last_ip = address				//these are gonna be used for banning
 	prefs.last_id = computer_id			//these are gonna be used for banning
 

code/modules/client/preference_setup/general/03_body.dm

@@ -1,6 +1,3 @@
-// Not actually used; just forces this into the RSC for TGUI.
-var/const/preview_icons = 'icons/mob/human_races/preview.dmi'
-
 /datum/preferences
 	var/equip_preview_mob = EQUIP_PREVIEW_ALL
 	var/animations_toggle = FALSE

code/modules/client/preferences.dm

@@ -1,4 +1,4 @@
-var/list/preferences_datums = list()
+GLOBAL_LIST_EMPTY(preferences_datums)
 
 /datum/preferences
 	/// The path to the general savefile for this datum