Remove GTK4 window buttons

hosts/home.nix

@@ -30,8 +30,11 @@ in
       name = "${themeName}";
       package = "${theme}";
     };
+    # Remove minimize, maximize, and close buttons
     gtk3.extraConfig = {
-      # Remove minimize, maximize, and close buttons
+      gtk-decoration-layout = "appmenu:none";
+    };
+    gtk4.extraConfig = {
       gtk-decoration-layout = "appmenu:none";
     };
   };