machines/uninsane: use the home-manager helper

machines/uninsane/default.nix

@@ -2,9 +2,9 @@
 
 {
   imports = [
+    ./../common/home-manager.nix
     ./fs.nix
     ./hardware.nix
-    ./homes.nix
     ./net.nix
     ./users.nix
     ./services/duplicity.nix
@@ -19,6 +19,8 @@
     ./services/transmission.nix
   ];
 
+  home-manager.users.colin.imports = [ ./colin.nix ];
+
   # This value determines the NixOS release from which the default
   # settings for stateful data, like file locations and database versions
   # on your system were taken. It‘s perfectly fine and recommended to leave

machines/uninsane/homes.nix

@@ -1,8 +0,0 @@
-{ home-manager, config, pkgs, ... }:
-{
-  imports = [ home-manager.nixosModule ];
-
-  home-manager.useGlobalPkgs = true;
-  home-manager.useUserPackages = true;
-  home-manager.users.colin.imports = [ ./colin.nix ];
-}