deleted file not needed anymore

container/IsDerivedFrom.h

@@ -1,50 +0,0 @@
-#ifndef ISDERIVEDFROM_H_
-#define ISDERIVEDFROM_H_
-
-/**
- * These template type checks are based on SFINAE
- * (https://en.cppreference.com/w/cpp/language/sfinae)
- *
- * @tparam D Derived Type
- * @tparam B Base Type
- */
-template<typename D, typename B>
-class IsDerivedFrom {
-	class No {
-	};
-	class Yes {
-		No no[3];
-	};
-
-	// This will be chosen if B is the base type
-	static Yes Test(B*); // declared, but not defined
-	// This will be chosen for anything else
-	static No Test(... ); // declared, but not defined
-
-public:
-	enum {
-		Is = sizeof(Test(static_cast<D*>(0))) == sizeof(Yes)
-	};
-};
-
-template<typename, typename>
-struct is_same {
-    static bool const value = false;
-};
-
-template<typename A>
-struct is_same<A, A> {
-    static bool const value = true;
-};
-
-
-template<bool C, typename T = void>
-struct enable_if {
-  typedef T type;
-};
-
-template<typename T>
-struct enable_if<false, T> { };
-
-
-#endif /* ISDERIVEDFROM_H_ */