Adds a new, swanky new player option menu. (#9216)

Ported from Baystation12/Baystation12#28751 with a few assorted fixes.

I'll see if I can requisition a better fitting title screen from Kyres. In the meantime, take a gander at the Runtime Station title menu: https://cdn.discordapp.com/attachments/635914105668108316/726041678988705832/unknown.png

code/controllers/subsystems/job.dm

@@ -298,7 +298,6 @@
 	for(var/mob/abstract/new_player/player in unassigned)
 		if(player.client.prefs.alternate_option == RETURN_TO_LOBBY)
 			player.ready = 0
-			player.new_player_panel_proc()
 			unassigned -= player
 	return TRUE
 

code/controllers/subsystems/theming.dm

@@ -48,9 +48,6 @@ var/datum/controller/subsystem/theming/SStheming
 	for(var/mob/M in mob_list)
 		if(M.client)
 			apply_theme_from_perfs(M.client)
-		var/mob/abstract/new_player/np = M
-		if(istype(np))
-			np.new_player_panel_proc()
 	..()
 
 /datum/controller/subsystem/theming/proc/apply_theme_from_perfs(var/user)