set up duel stack for haproxy

systems/jeeves/services/audiobookshelf.nix

@@ -6,7 +6,6 @@ in
   services.audiobookshelf = {
     enable = true;
     openFirewall = true;
-    host = "192.168.90.40";
   };
   systemd.services.audiobookshelf.serviceConfig.WorkingDirectory =
     lib.mkForce "${vars.media_docker_configs}/audiobookshelf";