[vega] Downgrade to 24.11. Switch to mkNixos.

system/hosts/vega/default.nix

@@ -1,27 +1,18 @@
-{ nixpkgs, inputs, ... }:
-nixpkgs.lib.nixosSystem {
-  system = "x86_64-linux";
-  modules = [
+{ ... }:
+{
+  imports = [
     ./configuration.nix
     ./hardware-configuration.nix
-    inputs.home-manager.nixosModules.home-manager
-    {
-      nixpkgs.config.allowUnfree = true;
-      home-manager.users.drew =
-        { ... }:
-        {
-          imports = [
-            ./drew.nix
-          ];
-        };
-      home-manager.useGlobalPkgs = true;
-      home-manager.useUserPackages = true;
-      home-manager.extraSpecialArgs = {
-        inherit inputs;
-      };
-    }
+    ../../authorized-keys.nix
   ];
-  specialArgs = {
-    inherit inputs;
-  };
+
+  nixpkgs.config.allowUnfree = true;
+
+  home-manager.users.drew =
+    { ... }:
+    {
+      imports = [
+        ./drew.nix
+      ];
+    };
 }