Removed superfluous reimplementation of type traits

include/internal/catch_type_traits.hpp

@@ -1,47 +0,0 @@
-/*
- *  Created by Martin on 08/02/2017.
- *
- *  Distributed under the Boost Software License, Version 1.0. (See accompanying
- *  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
- */
-#ifndef TWOBLUECUBES_CATCH_TYPE_TRAITS_HPP_INCLUDED
-#define TWOBLUECUBES_CATCH_TYPE_TRAITS_HPP_INCLUDED
-
-#if defined(CATCH_CONFIG_CPP11_TYPE_TRAITS)
-#include <type_traits>
-#endif
-
-
-namespace Catch {
-
-#if defined(CATCH_CONFIG_CPP11_TYPE_TRAITS)
-
-     template <typename T>
-     using add_lvalue_reference = std::add_lvalue_reference<T>;
-
-     template <typename T>
-     using add_const = std::add_const<T>;
-
-#else
-
-    template <typename T>
-    struct add_const { 
-        typedef const T type;
-    };
-
-    template <typename T>
-    struct add_lvalue_reference {
-        typedef T& type;
-    };
-    template <typename T>
-    struct add_lvalue_reference<T&> {
-        typedef T& type;
-    };
-    // No && overload, because that is C++11, in which case we have
-    // proper type_traits implementation from the standard library
-
-#endif
-
-}
-
-#endif // TWOBLUECUBES_CATCH_TYPE_TRAITS_HPP_INCLUDED