Revert "ldc: 1.17.0 -> 1.20.1"

pkgs/development/compilers/ldc/binary.nix

@@ -1,41 +0,0 @@
-{ stdenv, fetchurl, curl, tzdata, autoPatchelfHook, fixDarwinDylibNames, libxml2
-, version, hashes }:
-with stdenv;
-let
-  OS = if hostPlatform.isDarwin then "osx" else hostPlatform.parsed.kernel.name;
-  ARCH = toString hostPlatform.parsed.cpu.name;
-in mkDerivation {
-  pname = "ldc-bootstrap";
-  inherit version;
-
-  src = fetchurl rec {
-    name = "ldc2-${version}-${OS}-${ARCH}.tar.xz";
-    url = "https://github.com/ldc-developers/ldc/releases/download/v${version}/${name}";
-    sha256 = hashes."${OS}-${ARCH}" or (throw "missing bootstrap sha256 for ${OS}-${ARCH}");
-  };
-
-  dontConfigure = true;
-  dontBuild = true;
-
-  nativeBuildInputs = [ fixDarwinDylibNames autoPatchelfHook ];
-
-  buildInputs = lib.optionals stdenv.hostPlatform.isLinux [ libxml2 stdenv.cc.cc ];
-
-  propagatedBuildInputs = [ curl tzdata ];
-
-  installPhase = ''
-    mkdir -p $out
-
-    mv bin etc import lib LICENSE README $out/
-  '';
-
-  meta = with lib; {
-    inherit version;
-    description = "The LLVM-based D Compiler";
-    homepage = "https://github.com/ldc-developers/ldc";
-    # from https://github.com/ldc-developers/ldc/blob/master/LICENSE
-    license = with licenses; [ bsd3 boost mit ncsa gpl2Plus ];
-    maintainers = with maintainers; [ ThomasMader lionello ];
-    platforms = [ "x86_64-linux" "x86_64-darwin" "aarch64-linux" ];
-  };
-}