Made XP rates and ironman optional, locked behind new server config settings xp_rates and ironman

Removed the ironman_icons server config setting, locking it behind ironman instead
Removed the default_xp_rate server config setting and hardcoded the default xp rate to 1x
Changed a bunch of server config defaults for inauthentic features to disabled
Added enable_global_chat to the worldprops default config. Note the change from enable_globalchat to enable_global_chat
Removed the allow_slayer_rerolls worldprops config option
Large number of tutorial island improvements and authenticity enhancements

Server/src/test/resources/test.conf

@@ -27,8 +27,6 @@ members = true
 #activity as displayed on the world list
 activity = "2009Scape Classic."
 pvp = false
-default_xp_rate = 5.0
-allow_slayer_reroll = false
 #enables a default clan for players to join automatically. Should be an account with the same name as @name, with a clan set up already.
 enable_default_clan = true
 enable_bots = true
@@ -49,6 +47,7 @@ max_adv_bots = 100
 enable_doubling_money_scammers = true
 wild_pvp_enabled = false
 jad_practice_enabled = false
+enable_global_chat = false
 enable_castle_wars = false
 personalized_shops = false