remove cockpit from snowbelle and update config

modules/homelab/cockpit.nix

@@ -5,6 +5,12 @@
     enable = true;
     openFirewall = true;
     port = 9090;
+    allowed-origins = [ "http://0.0.0.0:9090" "https://0.0.0.0:9090" "http://localhost:9090" ];
+    settings = {
+      WebService = {
+        AllowUnencrypted = true;
+      };
+    };
   };
 }