Remove deprecated c++11 warnings (#5576)

code/AssetLib/FBX/FBXParser.h

@@ -63,7 +63,6 @@ class Scope;
 class Parser;
 class Element;
 
-// XXX should use C++11's unique_ptr - but assimp's need to keep working with 03
 using ScopeList = std::vector<Scope*>;
 using ElementMap = std::fbx_unordered_multimap< std::string, Element*>;
 using ElementCollection = std::pair<ElementMap::const_iterator,ElementMap::const_iterator>;

code/AssetLib/FBX/FBXProperties.cpp

@@ -243,7 +243,6 @@ DirectPropertyMap PropertyTable::GetUnparsedProperties() const
 
         // Read the element's value.
         // Wrap the naked pointer (since the call site is required to acquire ownership)
-        // std::unique_ptr from C++11 would be preferred both as a wrapper and a return value.
         std::shared_ptr<Property> prop = std::shared_ptr<Property>(ReadTypedProperty(*currentElement.second));
 
         // Element could not be read. Skip it.