message: Remove unused struct parser
diff: @@ -19,11 +19,6 @@ parser_result<Code> parse_expr(const uint8_t* input);
  template <typename T>
  parser_result<T> parse(const uint8_t* pos);
  -template <typename T>
  -struct parser
  -{
  -};
  -
  template <>
  inline parser_result<uint8_t> parse(const uint8_t* pos)
  {
  