libgadu: drop (#407956)

pkgs/by-name/li/libgadu/package.nix

@@ -1,32 +0,0 @@
-{
-  lib,
-  stdenv,
-  fetchFromGitHub,
-  zlib,
-  protobufc,
-  autoreconfHook,
-}:
-
-stdenv.mkDerivation rec {
-  pname = "libgadu";
-  version = "1.12.2";
-
-  src = fetchFromGitHub {
-    owner = "wojtekka";
-    repo = pname;
-    rev = version;
-    sha256 = "1s16cripy5w9k12534qb012iwc5m9qcjyrywgsziyn3kl3i0aa8h";
-  };
-
-  propagatedBuildInputs = [ zlib ];
-  buildInputs = [ protobufc ];
-  nativeBuildInputs = [ autoreconfHook ];
-
-  meta = {
-    description = "Library to deal with gadu-gadu protocol (most popular polish IM protocol)";
-    homepage = "https://libgadu.net/index.en.html";
-    platforms = lib.platforms.linux;
-    license = lib.licenses.lgpl21;
-  };
-
-}

pkgs/top-level/aliases.nix

@@ -978,6 +978,7 @@ mapAliases {
   libbitcoin-protocol = throw "libbitcoin-protocol has been removed as it required an obsolete version of Boost and had no maintainer in Nixpkgs"; # Added 2024-11-24
   libchop = throw "libchop has been removed due to failing to build and being unmaintained upstream"; # Added 2025-05-02
   libdwg = throw "libdwg has been removed as upstream is unmaintained, the code doesn't build without significant patches, and the package had no reverse dependencies"; # Added 2024-12-28
+  libgadu = throw "'libgadu' has been removed as upstream is unmaintained and has no dependents or maintainers in Nixpkgs"; # Added 2025-05-17
   libgcrypt_1_8 = throw "'libgcrypt_1_8' is end-of-life. Consider using 'libgcrypt' instead"; # Added 2025-01-05
   libgda = lib.warnOnInstantiate "‘libgda’ has been renamed to ‘libgda5’" libgda5; # Added 2025-01-21
   libgme = game-music-emu; # Added 2022-07-20