xbrightness: drop (#438015)

pkgs/by-name/xb/xbrightness/package.nix

@@ -1,53 +0,0 @@
-{
-  lib,
-  stdenv,
-  fetchurl,
-  imake,
-  gccmakedep,
-  libX11,
-  libXaw,
-  libXext,
-  libXmu,
-  libXpm,
-  libXxf86vm,
-}:
-
-stdenv.mkDerivation rec {
-  pname = "xbrightness";
-  version = "0.3-mika-akk";
-
-  src = fetchurl {
-    url = "https://shallowsky.com/software/xbrightness/xbrightness-${version}.tar.gz";
-    sha256 = "2564dbd393544657cdabe4cbf535d9cfb9abe8edddb1b8cdb1ed4d12f358626e";
-  };
-
-  nativeBuildInputs = [
-    imake
-    gccmakedep
-  ];
-  buildInputs = [
-    libX11
-    libXaw
-    libXext
-    libXmu
-    libXpm
-    libXxf86vm
-  ];
-
-  makeFlags = [
-    "BINDIR=$(out)/bin"
-    "MANPATH=$(out)/share/man"
-  ];
-  installTargets = [
-    "install"
-    "install.man"
-  ];
-
-  meta = {
-    description = "X11 brigthness and gamma software control";
-    homepage = "http://shallowsky.com/software";
-    license = lib.licenses.mit;
-    platforms = lib.platforms.linux;
-    mainProgram = "xbrightness";
-  };
-}

pkgs/top-level/aliases.nix

@@ -2493,6 +2493,7 @@ mapAliases {
   xarchive = throw "'xarchive' has been removed due to lack of maintenance upstream. Consider using 'file-roller' instead"; # Added 2024-10-19
   xbmc-retroarch-advanced-launchers = throw "'xbmc-retroarch-advanced-launchers' has been renamed to/replaced by 'kodi-retroarch-advanced-launchers'"; # Converted to throw 2024-10-17
   xboxdrv = throw "'xboxdrv' has been dropped as it has been superseded by an in-tree kernel driver"; # Added 2024-12-25
+  xbrightness = throw "'xbrightness' has been removed as it is unmaintained"; # Added 2025-08-28
   xbursttools = throw "'xbursttools' has been removed as it is broken and unmaintained upstream."; # Added 2025-06-12
   xdg_utils = throw "'xdg_utils' has been renamed to/replaced by 'xdg-utils'"; # Converted to throw 2024-10-17
   xdragon = dragon-drop; # Added 2025-03-22