disable nix config for non nixos machines

flake.nix

@@ -89,6 +89,7 @@
         games = import ./modules/home-manager/games;
         mediacenter = import ./modules/home-manager/mediacenter;
         user = import ./modules/home-manager/user;
+        binary-cache = import ./modules/home-manager/binary-cache;
       };
       homeConfigurations =
         flakeLib.mkHomeConfiguration {

modules/home-manager/base/default.nix

@@ -7,19 +7,4 @@
   home.packages = with pkgs; [
     home-manager
   ];
-
-nix = {
-    package = pkgs.nix;
-  settings = {
-      substituters = [
-        "http://nixcache.odie.intranet"
-        "https://nix-community.cachix.org"
-        "https://cache.nixos.org/"
-      ];
-      trusted-public-keys = [
-        "nixcache.odie.intranet:2j5qAVmtBUSZMPWlIRS8Gn0Il9tbotJ9c2y43N0RLKU="
-        "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
-      ];
-    };
-    };
 }

modules/home-manager/binary-cache/default.nix

@@ -0,0 +1,15 @@
+{
+  nix = {
+    settings = {
+      substituters = [
+        "http://nixcache.odie.intranet"
+        "https://nix-community.cachix.org"
+        "https://cache.nixos.org/"
+      ];
+      trusted-public-keys = [
+        "nixcache.odie.intranet:2j5qAVmtBUSZMPWlIRS8Gn0Il9tbotJ9c2y43N0RLKU="
+        "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
+      ];
+    };
+  };
+  }

profiles/home-manager/odie@wanaheim/home.nix

@@ -11,6 +11,7 @@
     outputs.homeManagerModules.development
     outputs.homeManagerModules.games
     outputs.homeManagerModules.user
+    outputs.homeManagerModules.binary-cache
     ];
       home.stateVersion = "23.11";
       desktop = {