Remove Visitable

src/ArduinoJson/Variant/VariantImpl.hpp

@@ -124,11 +124,6 @@ VariantRef::to() const {
   return *this;
 }
 
-inline VariantConstRef operator|(VariantConstRef preferedValue,
-                                 VariantConstRef defaultValue) {
-  return preferedValue ? preferedValue : defaultValue;
-}
-
 // Out of class definition to avoid #1560
 inline bool VariantRef::set(char value) const {
   return set(static_cast<signed char>(value));