ref: make hm common module explicit

modules/customBuilds.nix

@@ -7,20 +7,5 @@
         fullHostConfig = config;
       })
     ).config.system.build.isoImage;
-
-    homes = (config.lib.digga.mkBuild
-      ({ config, ... }: {
-        home-manager.useUserPackages = lib.mkForce false;
-        home-manager.sharedModules = [
-          {
-            home.sessionVariables = {
-              inherit (config.environment.sessionVariables) NIX_PATH;
-            };
-            xdg.configFile."nix/registry.json".text =
-              config.environment.etc."nix/registry.json".text;
-          }
-        ];
-      })
-    ).config.home-manager.users;
   };
 }

modules/hm-system-defaults.nix

@@ -0,0 +1,11 @@
+{ config, ... }: {
+  home-manager.sharedModules = [
+    {
+      home.sessionVariables = {
+        inherit (config.environment.sessionVariables) NIX_PATH;
+      };
+      xdg.configFile."nix/registry.json".text =
+        config.environment.etc."nix/registry.json".text;
+    }
+  ];
+}