Merge pull request #2435 from Citadel-Station-13/upstream-merge-29984

[MIRROR] Gives SSdisease SS_NO_INIT

code/controllers/subsystem/disease.dm

@@ -1,6 +1,6 @@
 SUBSYSTEM_DEF(disease)
 	name = "Disease"
-	flags = SS_NO_FIRE
+	flags = SS_NO_FIRE | SS_NO_INIT
 
 	var/list/active_diseases = list() //List of Active disease in all mobs; purely for quick referencing.
 	var/list/diseases
@@ -13,4 +13,4 @@ SUBSYSTEM_DEF(disease)
 		diseases = subtypesof(/datum/disease)
 
 /datum/controller/subsystem/disease/stat_entry(msg)
-	..("P:[active_diseases.len]")
+	..("P:[active_diseases.len]")