cargo-sync-readme: drop (#472247)

pkgs/by-name/ca/cargo-sync-readme/package.nix

@@ -1,31 +0,0 @@
-{
-  lib,
-  rustPlatform,
-  fetchFromGitHub,
-}:
-
-rustPlatform.buildRustPackage rec {
-  pname = "cargo-sync-readme";
-  version = "1.1";
-
-  src = fetchFromGitHub {
-    owner = "phaazon";
-    repo = "cargo-sync-readme";
-    tag = version;
-    sha256 = "sha256-n9oIWblTTuXFFQFN6mpQiCH5N7yg5fAp8v9vpB5/DAo=";
-  };
-
-  cargoHash = "sha256-A1LZKENNOcgUz6eacUo9WCKIZWA7dJa0zuZrgzRr/Js=";
-
-  meta = {
-    description = "Cargo plugin that generates a Markdown section in your README based on your Rust documentation";
-    mainProgram = "cargo-sync-readme";
-    homepage = "https://github.com/phaazon/cargo-sync-readme";
-    changelog = "https://github.com/phaazon/cargo-sync-readme/blob/${version}/CHANGELOG.md";
-    license = lib.licenses.bsd3;
-    maintainers = with lib.maintainers; [
-      b4dm4n
-      matthiasbeyer
-    ];
-  };
-}

pkgs/top-level/aliases.nix

@@ -386,6 +386,7 @@ mapAliases {
   canonicalize-jars-hook = throw "'canonicalize-jars-hook' has been renamed to/replaced by 'stripJavaArchivesHook'"; # Converted to throw 2025-10-27
   cardboard = throw "cardboard has been removed because it has been marked as broken since at least November 2024."; # Added 2025-09-28
   cargo-espflash = throw "'cargo-espflash' has been renamed to/replaced by 'espflash'"; # Converted to throw 2025-10-27
+  cargo-sync-readme = throw "'cargo-sync-readme' has been removed because upstream 404s"; # Converted to throw 2025-12-18
   cargonode = throw "'cargonode' has been removed due to lack of upstream maintenance"; # Added 2025-06-18
   cask = throw "'cask' has been renamed to/replaced by 'emacs.pkgs.cask'"; # Converted to throw 2025-10-27
   catalyst-browser = throw "'catalyst-browser' has been removed due to a lack of maintenance and not satisfying our security criteria for browsers."; # Added 2025-06-25