osx: remove platform dependent code

New version packaged with Xcode fixed initial issue
LLVM version required is 3.6.0svn

src/collectionmanagerinterface.h

@@ -108,13 +108,6 @@ public:
    explicit CollectionManagerInterface(QAbstractItemModel* self);
    virtual ~CollectionManagerInterface() {};
 
-#ifdef Q_OS_DARWIN
-   /*
-    * Issue with LLVM 3.5svn shipped in Mac OSX with variadic template
-    */
-   template <class T2>
-   T2* addCollection(const LoadOptions options = LoadOptions::NONE);
-#endif
    /**
     * This method is used to add a collection to a model. The LoadOptions
     * can be used to enforce some parameters. Please note this function is

src/collectionmanagerinterface.hpp

@@ -52,36 +52,6 @@ CollectionManagerInterfacePrivate<T>::~CollectionManagerInterfacePrivate()
       delete m_pMediator;
 }
 
-#ifdef Q_OS_DARWIN
-template<class T>
-template <class T2>
-T2* CollectionManagerInterface<T>::addCollection(const LoadOptions options)
-{
-   T2* backend = new T2(d_ptr->itemMediator());
-
-   //This will force the T2 to be a CollectionInterface subclass
-   CollectionInterface* b = backend;
-   d_ptr->m_lCollections << b;
-
-   setCollectionConfigurator(backend,[this]() {
-      return registerConfigarator<T2>();
-   });
-
-   if (options & LoadOptions::FORCE_ENABLED) { //TODO check is the backend is checked
-
-      //Some backends can fail to load directly
-      //eventually it will necessary to add an async version of this
-      //to load the backend only when it is loaded
-      if (backend->load())
-         d_ptr->m_lEnabledCollections << backend;
-   }
-
-   registerToModel(backend);
-
-   return backend;
-}
-#endif
-
 template<class T>
 template <class T2, typename ...Ts>
 T2* CollectionManagerInterface<T>::addCollection(Ts... args, const LoadOptions options)