mpvScripts: remove 'mpv-cheatsheet'

It is unmaintained, and relies on `browserify` which itself is
unmaintained and about to be removed as part of #489959.

pkgs/by-name/mp/mpv/scripts.nix

@@ -110,6 +110,7 @@ let
       encode
       seekTo
       ; # added 2024-11-28
+    mpv-cheatsheet = throw "'mpv-cheatsheet' is no longer maintained, use 'mpv-cheatsheet-ng' instead"; # added 2026-02-13
     youtube-quality = throw "'youtube-quality' is no longer maintained, use 'quality-menu' instead"; # added 2023-07-14
   };
 in

pkgs/by-name/mp/mpv/scripts/mpv-cheatsheet.nix

@@ -1,46 +0,0 @@
-{
-  lib,
-  fetchFromGitHub,
-  gitUpdater,
-  nodePackages,
-  stdenvNoCC,
-}:
-stdenvNoCC.mkDerivation (finalAttrs: {
-  pname = "mpv-cheatsheet";
-  version = "0.30.0.2";
-
-  src = fetchFromGitHub {
-    owner = "ento";
-    repo = "mpv-cheatsheet";
-    rev = "v${finalAttrs.version}";
-    hash = "sha256-MWK0CYto3zgn3fivmL43tvgZn6XrjPxKLp0lgTFdplM=";
-  };
-  passthru.updateScript = gitUpdater { rev-prefix = "v"; };
-
-  nativeBuildInputs = [ nodePackages.browserify ];
-
-  buildPhase = ''
-    runHook preBuild
-
-    make dist/${finalAttrs.passthru.scriptName}
-
-    runHook postBuild
-  '';
-
-  installPhase = ''
-    runHook preInstall
-
-    install -D dist/${finalAttrs.passthru.scriptName} $out/share/mpv/scripts/${finalAttrs.passthru.scriptName}
-
-    runHook postInstall
-  '';
-
-  passthru.scriptName = "cheatsheet.js";
-
-  meta = {
-    description = "mpv script for looking up keyboard shortcuts";
-    homepage = "https://github.com/ento/mpv-cheatsheet";
-    license = lib.licenses.mit;
-    maintainers = with lib.maintainers; [ ambroisie ];
-  };
-})