hosts: import hjem everywhere

This fixes evaluation issues when hjem is not a known option.

hosts/anastacia/default.nix

@@ -1,6 +1,4 @@
-{inputs, ...}: let
-  system = "${inputs.self}/system";
-in {
+{inputs, ...}: {
   imports = [
     ./hardware-configuration.nix
     ./networking.nix # generated at runtime by nixos-infect

hosts/default.nix

@@ -3,22 +3,23 @@
   mkSystem = args:
     inputs.nixpkgs.lib.nixosSystem {
       specialArgs = {inherit inputs lib';};
-      modules = (args.modules or []) ++ [../modules];
+      modules =
+        (args.modules or [])
+        ++ [
+          ../modules
+          inputs.hjem.nixosModules.default
+        ];
     };
 in {
   vamos = mkSystem {
     modules = [
       ./vamos
       inputs.nixos-hardware.nixosModules.framework-13-7040-amd
-      inputs.hjem.nixosModules.default
     ];
   };
 
   solaire = mkSystem {
-    modules = [
-      ./solaire
-      inputs.hjem.nixosModules.default
-    ];
+    modules = [./solaire];
   };
 
   anastacia = mkSystem {