chore: remove vm-gitlab which is no longer in use

hosts/unstable/linode/default.nix

@@ -66,20 +66,4 @@
       immichUrl = "https://immich.shire-zebra.ts.net";
     };
   };
-
-  security.sudo.extraRules = [
-    {
-      users = [ "gitlab-runner" ];
-      commands = [
-        {
-          command = "/run/current-system/sw/bin/systemctl";
-          options = [ "NOPASSWD" ];
-        }
-        {
-          command = "/run/current-system/sw/bin/podman";
-          options = [ "NOPASSWD" ];
-        }
-      ];
-    }
-  ];
 }

hosts/unstable/linode/nginx.nix

@@ -24,7 +24,6 @@ in
   virtualisation.oci-containers = {
     backend = "podman";
     containers."homepage" = {
-      # needs explicit port to match what gitlab-runner sees when pulling
       image = "registry.thehellings.com:443/greg/homepage/gregs-homepage:latest";
       ports = [ "${homepage}:80" ];
     };