Fix outdated settings

flake.nix

@@ -47,6 +47,10 @@
       ManuSurface = import ./profiles/machines/manuel/ManuSurface/Arch/config.nix;
       server = import ./profiles/machines/manuel/server.nix;
       clean = { ... }: {
+        imports = [
+          ./lib/modules/valhalla.nix
+        ];
+
         config = {
           valhalla = {
             hostname = "Falcon";