Removing unnecessary inline qualify to pure virtual function (#545)

Author: lemire

include/ada/url_base.h

@@ -111,8 +111,8 @@ struct url_base {
    * @return On failure, it returns zero.
    * @see https://url.spec.whatwg.org/#host-parsing
    */
-  virtual ada_really_inline size_t
-  parse_port(std::string_view view, bool check_trailing_content) noexcept = 0;
+  virtual size_t parse_port(std::string_view view,
+                            bool check_trailing_content) noexcept = 0;
 
   virtual ada_really_inline size_t parse_port(std::string_view view) noexcept {
     return this->parse_port(view, false);