vintagestory: replace deprecated xorg.* attrs with top-level equivalents

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

pkgs/vintagestory/default.nix

@@ -5,7 +5,9 @@
   makeWrapper,
   makeDesktopItem,
   copyDesktopItems,
-  xorg,
+  libx11,
+  libxi,
+  libxcursor,
   gtk2,
   sqlite,
   openal,
@@ -35,25 +37,21 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ dotnet-runtime_8 ];
 
-  runtimeLibs = lib.makeLibraryPath (
-    [
-      gtk2
-      sqlite
-      openal
-      cairo
-      libGLU
-      SDL2
-      freealut
-      libglvnd
-      pipewire
-      libpulseaudio
-    ]
-    ++ (with xorg; [
-      libX11
-      libXi
-      libXcursor
-    ])
-  );
+  runtimeLibs = lib.makeLibraryPath [
+    gtk2
+    sqlite
+    openal
+    cairo
+    libGLU
+    SDL2
+    freealut
+    libglvnd
+    pipewire
+    libpulseaudio
+    libx11
+    libxi
+    libxcursor
+  ];
 
   desktopItems = [
     (makeDesktopItem {