Revert "Merge branch 'fix/integral_constant' into 'master'"

This reverts merge request !6

share/libc++/type_traits

@@ -32,13 +32,6 @@ namespace std {
     typedef integral_constant<T,v> type;
     constexpr operator value_type() const { return value; }
   };
-  // template specialization for bool
-  template <bool v> struct integral_constant<bool, v> {
-    static constexpr bool value = v;
-    typedef bool value_type;
-    typedef integral_constant<bool,v> type;
-    constexpr operator bool() const { return value; }
-  };
 
   template<bool b> struct __boolean: integral_constant<bool, b> { };