LibWeb: Unify check_validity for form associated elements

Author: https://github.com/tete17
Commit: af88a43e9a
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/6024
Reviewed-by: https://github.com/tcl3 ✅

Libraries/LibWeb/HTML/HTMLInputElement.cpp

@@ -2920,12 +2920,6 @@ bool HTMLInputElement::will_validate()
     return is_candidate_for_constraint_validation();
 }
 
-// https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#dom-cva-checkvalidity
-WebIDL::ExceptionOr<bool> HTMLInputElement::check_validity()
-{
-    return check_validity_steps();
-}
-
 Optional<ARIA::Role> HTMLInputElement::default_role() const
 {
     // http://wpt.live/html-aam/roles-dynamic-switch.tentative.window.html "Disconnected <input type=checkbox switch>"