Libraries: Use default constructors/destructors in LibWeb

https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#cother-other-default-operation-rules

"The compiler is more likely to get the default semantics right and
you cannot implement these functions better than the compiler."

Userland/Libraries/LibWeb/Bindings/LocationObject.cpp

@@ -53,10 +53,6 @@ void LocationObject::initialize(JS::GlobalObject& global_object)
     m_default_properties.extend(MUST(Object::internal_own_property_keys()));
 }
 
-LocationObject::~LocationObject()
-{
-}
-
 // https://html.spec.whatwg.org/multipage/history.html#relevant-document
 DOM::Document const* LocationObject::relevant_document() const
 {