vulkan-hdr-layer-kwin6: remove

pkgs/by-name/vu/vulkan-hdr-layer-kwin6/package.nix

@@ -1,57 +0,0 @@
-{
-  lib,
-  stdenv,
-  cmake,
-  fetchFromGitHub,
-  libX11,
-  meson,
-  ninja,
-  pkg-config,
-  unstableGitUpdater,
-  vulkan-headers,
-  vulkan-loader,
-  wayland-scanner,
-  wayland,
-}:
-
-stdenv.mkDerivation {
-  pname = "vulkan-hdr-layer-kwin6";
-  version = "0-unstable-2025-05-22";
-
-  depsBuildBuild = [ pkg-config ];
-
-  nativeBuildInputs = [
-    meson
-    ninja
-    pkg-config
-    cmake
-    wayland-scanner
-  ];
-
-  buildInputs = [
-    vulkan-headers
-    vulkan-loader
-    libX11
-    wayland
-  ];
-
-  strictDeps = true;
-
-  src = fetchFromGitHub {
-    owner = "Zamundaaa";
-    repo = "VK_hdr_layer";
-    rev = "1384036ea24a9bc38a5c684dac5122d5e3431ae6";
-    hash = "sha256-xm0S1vLE8MAov8gf6rN5ZKZAe6NMKfHDlUlmNd332qw=";
-    fetchSubmodules = true;
-  };
-
-  passthru.updateScript = unstableGitUpdater { };
-
-  meta = {
-    description = "Vulkan Wayland HDR WSI Layer (Xaver Hugl's fork for KWin 6)";
-    homepage = "https://github.com/Zamundaaa/VK_hdr_layer";
-    license = lib.licenses.mit;
-    platforms = lib.platforms.linux;
-    maintainers = with lib.maintainers; [ d4rk ];
-  };
-}

pkgs/top-level/aliases.nix

@@ -2083,6 +2083,7 @@ mapAliases {
   void = throw "'void' has been removed due to lack of upstream maintenance"; # Added 2025-01-25
   volnoti = throw "'volnoti' has been removed due to lack of maintenance upstream."; # Added 2024-12-04
   vuze = throw "'vuze' was removed because it is unmaintained upstream and insecure (CVE-2018-13417). BiglyBT is a maintained fork."; # Added 2024-11-22
+  vulkan-hdr-layer-kwin6 = throw "'vulkan-hdr-layer-kwin6' was removed as it is unnecessary since Mesa 25.1"; # Added 2025-06-30
   vwm = throw "'vwm' was removed as it is broken and not maintained upstream"; # Added 2025-05-17
   inherit (libsForQt5.mauiPackages) vvave; # added 2022-05-17