ldc: remove references to ldcBootstrap (#393645)

pkgs/by-name/ld/ldc/package.nix

···
   lib,
   stdenv,
   fetchFromGitHub,
+  callPackage,
+  makeWrapper,
+  removeReferencesTo,
+  runCommand,
+  writeText,
+  targetPackages,
   cmake,
   ninja,
   llvm_18,
···
   gdb,
   unzip,
   darwin,
-  callPackage,
-  makeWrapper,
-  runCommand,
-  writeText,
-  targetPackages,
 
   ldcBootstrap ? callPackage ./bootstrap.nix { },
 }:
···
       --prefix PATH : ${targetPackages.stdenv.cc}/bin \
       --set-default CC ${targetPackages.stdenv.cc}/bin/cc
   '';
+
+  preFixup = ''
+    find $out/bin -type f -exec ${removeReferencesTo}/bin/remove-references-to -t ${ldcBootstrap} '{}' +
+  '';
+
+  disallowedReferences = [ ldcBootstrap ];
 
   meta = with lib; {
     description = "LLVM-based D compiler";