texpresso: fix `nextonic` symlink (#381454)

          cargoHash = "sha256-mqhbIv5r/5EDRDfP2BymXv9se2NCKxzRGqNqwqbD9A0=";

          # binary has a different name, bundled tests won't work

          doCheck = false;

          postInstall = ''

            ${args.postInstall or ""}

            # Remove the broken `nextonic` symlink

            # It points to `tectonic`, which doesn't exist because the exe is

            # renamed to texpresso-tonic

            rm $out/bin/nextonic

          '';

          meta.mainProgram = "texpresso-tonic";

        }

      );