nix-universal-prefetch: Drop unmaintained package

pkgs/tools/package-management/nix-universal-prefetch/default.nix

@@ -1,33 +0,0 @@
-{ lib, stdenv
-, fetchFromGitHub
-, ruby
-}:
-
-# No gems used, so mkDerivation is fine.
-stdenv.mkDerivation rec {
-  pname = "nix-universal-prefetch";
-  version = "0.4.0";
-
-  src = fetchFromGitHub {
-    owner = "samueldr";
-    repo = "nix-universal-prefetch";
-    rev = "v${version}";
-    sha256 = "sha256-HGn4qHWqpUwlS3yQrD3j5oH0yOlphsoSPD2vkyyRv+0=";
-  };
-
-  installPhase = ''
-    mkdir -pv $out/bin
-    cp nix-universal-prefetch $out/bin/nix-universal-prefetch
-    substituteInPlace "$out/bin/nix-universal-prefetch" \
-      --replace "/usr/bin/env nix-shell" "${ruby}/bin/ruby"
-  '';
-
-  meta = with lib; {
-    description = "Uses nixpkgs fetchers to figure out hashes";
-    homepage = "https://github.com/samueldr/nix-universal-prefetch";
-    license = licenses.mit;
-    maintainers = with maintainers; [ samueldr ];
-    platforms = platforms.linux ++ platforms.darwin;
-    mainProgram = "nix-universal-prefetch";
-  };
-}

pkgs/top-level/aliases.nix

@@ -916,6 +916,7 @@ mapAliases ({
   nix-review = throw "'nix-review' has been renamed to/replaced by 'nixpkgs-review'"; # Converted to throw 2023-09-10
   nix-template-rpm = throw "'nix-template-rpm' has been removed as it is broken and unmaintained"; # Added 2023-11-20
   nix-top = throw "The nix-top package was dropped since it was unmaintained."; # Added 2024-06-21
+  nix-universal-prefetch = throw "The nix-universal-prefetch package was dropped since it was unmaintained."; # Added 2024-06-21
   nixFlakes = nixVersions.stable; # Added 2021-05-21
   nixStable = nixVersions.stable; # Added 2022-01-24
   nixUnstable = nixVersions.unstable; # Added 2022-01-26

pkgs/top-level/all-packages.nix

@@ -39600,8 +39600,6 @@ with pkgs;
 
   nix-tree = haskell.lib.compose.justStaticExecutables (haskellPackages.nix-tree);
 
-  nix-universal-prefetch = callPackage ../tools/package-management/nix-universal-prefetch { };
-
   nixpkgs-review = callPackage ../tools/package-management/nixpkgs-review { };
 
   nix-serve = callPackage ../tools/package-management/nix-serve { };