Refactoring, both mctor's can be merged into one.

include/unique_resource.h

             d(r);
         }
 
-        template<class TR = R, class TD = D,
-                std::enable_if_t<(std::is_nothrow_move_constructible<TR>::value
-                                && std::is_nothrow_move_constructible<TD>::value), int> = 0
-                >
         unique_resource(unique_resource&& other) noexcept(std::is_nothrow_move_constructible<R>::value
                                                             && std::is_nothrow_move_constructible<D>::value)
                                                 : m_resource(forward_if_nothrow_move_constructible<R>(std::forward<R>(other.m_resource))),
         {
         }
 
-        template<class TR = R, class TD = D,
-                std::enable_if_t<(!std::is_nothrow_move_constructible<TR>::value
-                                || !std::is_nothrow_move_constructible<TD>::value), int> = 0
-                >
-        unique_resource(unique_resource&& other) noexcept(std::is_nothrow_move_constructible<R>::value
-                                                            && std::is_nothrow_move_constructible<D>::value)
-                                                : m_resource(other.m_resource),
-                                                m_deleter(other.m_deleter),
-                                                m_execute_on_destruction(std::exchange(other.m_execute_on_destruction, false))
-        {
-        }
-
         unique_resource(const unique_resource&) = delete;
 
         ~unique_resource()