Remove old config option (#4962)

core/src/main/resources/config.yml

@@ -54,9 +54,6 @@ remote:
   # For plugin versions, it's recommended to keep the `address` field to "auto" so Floodgate support is automatically configured.
   # If Floodgate is installed and `address:` is set to "auto", then "auth-type: floodgate" will automatically be used.
   auth-type: online
-  # Allow for password-based authentication methods through Geyser. Only useful in online mode.
-  # If this is false, users must authenticate to Microsoft using a code provided by Geyser on their desktop.
-  allow-password-authentication: true
   # Whether to enable PROXY protocol or not while connecting to the server.
   # This is useful only when:
   # 1) Your server supports PROXY protocol (it probably doesn't)