Remove ban list

This should be handled at a higher level, such as in NetFilter or the proxy server.
I only added this feature because the old server list had it.

config-example.py

@@ -16,9 +16,6 @@ FILENAME = "list.json"
 # only announce once every 5 minutes, so this should be more than 300.
 PURGE_TIME = 350
 
-# List of banned IP addresses
-BANLIST = []
-
 # Creates server entries if a server sends an 'update' and there is no entry yet.
 # This should only be used to populate the server list after list.json was deleted.
 # This WILL cause problems such as mapgen, mods and privilege information missing from the list

server.py

@@ -36,9 +36,6 @@ def announce():
 	if ip.startswith("::ffff:"):
 		ip = ip[7:]
 
-	if ip in app.config["BANLIST"]:
-		return "Banned.", 403
-
 	data = request.form["json"] if request.method == "POST" else request.args["json"]
 
 	if len(data) > 5000: