Vectorization of find_next_host_delimiter and find_next_host_delimiter_special (#548)

Author: lemire

include/ada/helpers.h

@@ -143,18 +143,6 @@ template <class url_type>
 ada_really_inline void strip_trailing_spaces_from_opaque_path(
     url_type& url) noexcept;
 
-/**
- * @private
- * Reverse the order of the bytes.
- */
-ada_really_inline uint64_t swap_bytes(uint64_t val) noexcept;
-
-/**
- * @private
- * Reverse the order of the bytes but only if the system is big endian
- */
-ada_really_inline uint64_t swap_bytes_if_big_endian(uint64_t val) noexcept;
-
 /**
  * @private
  * Finds the delimiter of a view in authority state.