remove no longer used port_forward option

Utils.py

@@ -187,7 +187,6 @@ def get_default_options() -> dict:
         serveroptions["disable_save"] = False
         serveroptions["loglevel"] = "info"
         serveroptions["server_password"] = None
-        serveroptions["port_forward"] = False
         serveroptions["disable_item_cheat"] = False
         serveroptions["location_check_points"] = 1
         serveroptions["hint_cost"] = 1000

host.yaml

@@ -22,8 +22,6 @@ server_options:
   loglevel: "info"
   # Allows for clients to log on and manage the server.  If this is null, no remote administration is possible.
   server_password: null
-  # Automatically forward the port that is used, then close that port after 24 hours
-  port_forward: false
   # Disallow !getitem. Old /getitem cannot be blocked this way
   disable_item_cheat: false
   # Client hint system