Some minor fixes for vm target

nix/modules/nixos/virtualisation/qemu-guest/default.nix

@@ -25,9 +25,12 @@ in
 
   imports = [ ./profile.nix ];
 
-  config = lib.mkIf cfg.enable {
+  config = lib.mkMerge [
+    (lib.mkIf cfg.enable {
       services.qemuGuest.enable = true;
-    virtualisation = lib.mkIf cfg.enableWhenVmTarget {
+    })
+    (lib.mkIf cfg.enableWhenVmTarget {
+      virtualisation = {
         vmVariant = {
           khscodes.virtualisation.qemu-guest.enable = true;
           services.spice-vdagentd.enable = true;
@@ -38,10 +41,12 @@ in
                 "-smp 8"
                 "-vga none -device virtio-gpu-gl,hostmem=2G,blob=true,venus=true"
                 rng
-            ] ++ spice;
-          };
+              ]
+              ++ spice;
             };
           };
         };
       };
+    })
+  ];
 }

nix/systems/x86_64-linux/desktop.kaareskovgaard.net/default.nix

@@ -10,6 +10,5 @@
     device = "/dev/sda";
     diskName = "nixos";
   };
-  khscodes.users.khs.enable = true;
   system.stateVersion = "25.05";
 }