LibWeb: Use Reflect for HTMLAnchorElement.referrerPolicy

Author: https://github.com/jamierocks
Commit: 469cbe78de
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/23

Userland/Libraries/LibWeb/HTML/HTMLAnchorElement.h

@@ -29,9 +29,6 @@ public:
     String text() const;
     void set_text(String const&);
 
-    StringView referrer_policy() const;
-    WebIDL::ExceptionOr<void> set_referrer_policy(String const&);
-
     // ^EventTarget
     // https://html.spec.whatwg.org/multipage/interaction.html#the-tabindex-attribute:the-a-element
     virtual bool is_focusable() const override { return has_attribute(HTML::AttributeNames::href); }