LibJS+LibWeb: Devirtualize may_interfere_with_indexed_property_access()

Author: https://github.com/iliadsh
Commit: 89da731aa6
Pull-request: https://github.com/SerenityOS/serenity/pull/21858
Reviewed-by: https://github.com/awesomekling

Userland/Libraries/LibJS/Runtime/ProxyObject.h

@@ -45,8 +45,6 @@ public:
     virtual ThrowCompletionOr<Value> internal_call(Value this_argument, MarkedVector<Value> arguments_list) override;
     virtual ThrowCompletionOr<NonnullGCPtr<Object>> internal_construct(MarkedVector<Value> arguments_list, FunctionObject& new_target) override;
 
-    virtual bool may_interfere_with_indexed_property_access() const final { return true; }
-
 private:
     ProxyObject(Object& target, Object& handler, Object& prototype);