Removed obsolete make_curve_2

Arrangement_on_surface_2/include/CGAL/Arr_polyline_traits_2.h

@@ -597,59 +597,6 @@ public:
   Construct_x_monotone_curve_2 construct_x_monotone_curve_2_object() const
   { return Construct_x_monotone_curve_2(*this); }
 
-  /*! This should be removed!
-   * First, the optional that specify whether to duplicate the first point does not belong here;
-   * that is, if the user wants to duplicate, she should do it before calling this function.
-   * Secondlt, the functor Construct_curve_2 should be used instead!
-   * Obtain a Curve_2 object from a range of points.
-   */
-  template <typename PointRange>
-  static Curve_2 make_curve_2(const PointRange& points,
-                              bool duplicate_first_point = false)
-  {
-    if (duplicate_first_point)
-      return make_curve_2_impl(boost::range::join(points,
-                                                  make_single(*points.begin())));
-    else
-      return make_curve_2_impl(points);
-  }
-
-  // This should be removed (see above)!
-  template <typename PointRange>
-  static Curve_2 make_curve_2_impl(const PointRange& points)
-  {
-#if 0
-    auto ctr = construct_curve_2_object();
-    return ctr(points);
-#else
-    using Point_iterator = typename PointRange::const_iterator;
-    using Zip_iterator =
-      boost::zip_iterator<boost::tuple<Point_iterator, Point_iterator> >;
-
-    Point_iterator begin = points.begin();
-    Point_iterator begin_plus_1 = begin;
-    ++begin_plus_1;
-    Point_iterator end = points.end();
-    Point_iterator end_minus_1 = end;
-    --end_minus_1;
-
-    auto point_pair_to_segment = [](const typename Zip_iterator::reference& t)
-      -> typename Segment_traits_2::Curve_2
-    {
-      return typename Segment_traits_2::Curve_2(boost::get<0>(t),
-                                                boost::get<1>(t));
-    };
-
-    return Curve_2
-      (boost::make_transform_iterator
-       (boost::make_zip_iterator(boost::make_tuple(begin, begin_plus_1)),
-        point_pair_to_segment),
-       boost::make_transform_iterator
-       (boost::make_zip_iterator(boost::make_tuple(end_minus_1, end)),
-        point_pair_to_segment));
-#endif
-  }
-
   /*! Deprecated!
    * Obtain the segment traits.
    * \return the segment traits.