message: code review: use geom_trait for Point_d type
diff: @@ -124,7 +124,7 @@ class Alpha_complex {
  using Sphere = typename A_kernel_d::Sphere;
  /** \brief A point, or a weighted point in Euclidean space.*/
  - using Point_d = std::conditional_t<Weighted, typename A_kernel_d::Weighted_point_d, typename A_kernel_d::Point_d>;
  + using Point_d = typename Geom_traits::Point_d;
  private:
  // Vertex_iterator type from CGAL.
  