Revert "App: fix property ordering problem when undo/redo (#3255)"

This reverts commit c3178343db.

src/Gui/ViewProviderDocumentObject.cpp

@@ -701,7 +701,3 @@ std::string ViewProviderDocumentObject::getFullName() const {
         return pcObject->getFullName() + ".ViewObject";
     return std::string("?");
 }
-
-App::Document *ViewProviderDocumentObject::getOwnerDocument() const {
-    return pcObject?pcObject->getDocument():0;
-}