programs: Move virt-manager to user profile

modules/default.nix

@@ -25,7 +25,6 @@
     ./grub.nix
     ./gui.nix
     ./initrd-ssh.nix
-    ./libvirt.nix
     ./locales.nix
     ./mailserver.nix
     ./media-proxy.nix

modules/libvirt.nix

@@ -1,9 +0,0 @@
-{ config, lib, pkgs, ... }:
-
-{
-  config = {
-    environment.systemPackages = lib.mkIf
-      (config.sbruder.gui.enable && config.virtualisation.libvirtd.enable)
-      [ pkgs.virt-manager ];
-  };
-}

users/simon/modules/programs.nix

@@ -232,5 +232,7 @@ in
   ] ++ lib.optionals (nixosConfig.sbruder.gui.enable && !nixosConfig.sbruder.full) [
     # creative/design
     gimp # without plugins
+  ] ++ lib.optionals (nixosConfig.sbruder.gui.enable && nixosConfig.virtualisation.libvirtd.enable) [
+    virt-manager
   ];
 }