Revert commit 7c047a1: restore LAN access to Hub, RTL, and Mempool

Agent-Logs-Url: https://github.com/naturallaw777/staging_alpha/sessions/c92f1a7f-7c42-44f1-a86d-089383bafc94

Co-authored-by: naturallaw777 <99053422+naturallaw777@users.noreply.github.com>

modules/core/sovran-hub.nix

@@ -293,5 +293,7 @@ in
       };
     };
 
+    networking.firewall.allowedTCPPorts = [ 3051 8937 60847 ];
+
   };
 }