Remove wrapper around removed function estimate_geodesic_distance()

Heat_method_3/include/CGAL/Heat_method_3/Surface_mesh_geodesic_distances_3.h

@@ -897,16 +897,6 @@ public:
     base().clear_sources();
   }
 
-  /**
-   * get estimated distance from the current source set to a vertex `vd`.
-   * \warning The return type is `double` even when used with an exact kernel.
-   */
-  double
-  estimate_geodesic_distance(vertex_descriptor vd) const
-  {
-    return base().estimate_geodesic_distance(vd);
-  }
-
   /**
    * returns the source set.
    */
@@ -916,7 +906,6 @@ public:
     return base().sources();
   }
 
-
   /**
    * fills the distance property map with the estimated geodesic distance of each vertex to the closest source vertex.
    * \tparam VertexDistanceMap a property map model of `WritablePropertyMap`