Remove unused parameter in TriContourGenerator::find_interior_lines

Its only use was removed in 193e5a9.

Author: QuLogic

src/tri/_tri.cpp

@@ -751,7 +751,7 @@ py::tuple TriContourGenerator::create_contour(const double& level)
     Contour contour;
 
     find_boundary_lines(contour, level);
-    find_interior_lines(contour, level, false, false);
+    find_interior_lines(contour, level, false);
 
     return contour_line_to_segs_and_kinds(contour);
 }
@@ -766,8 +766,8 @@ py::tuple TriContourGenerator::create_filled_contour(const double& lower_level,
     Contour contour;
 
     find_boundary_lines_filled(contour, lower_level, upper_level);
-    find_interior_lines(contour, lower_level, false, true);
-    find_interior_lines(contour, upper_level, true,  true);
+    find_interior_lines(contour, lower_level, false);
+    find_interior_lines(contour, upper_level, true);
 
     return contour_to_segs_and_kinds(contour);
 }
@@ -880,8 +880,7 @@ void TriContourGenerator::find_boundary_lines_filled(Contour& contour,
 
 void TriContourGenerator::find_interior_lines(Contour& contour,
                                               const double& level,
-                                              bool on_upper,
-                                              bool filled)
+                                              bool on_upper)
 {
     const Triangulation& triang = _triangulation;
     int ntri = triang.get_ntri();

src/tri/_tri.h

@@ -407,12 +407,10 @@ class TriContourGenerator final
      * intersect any boundary.
      *   contour: Contour to add new lines to.
      *   level: Contour level.
-     *   on_upper: Whether on upper or lower contour level.
-     *   filled: Whether contours are filled or not. */
+     *   on_upper: Whether on upper or lower contour level. */
     void find_interior_lines(Contour& contour,
                              const double& level,
-                             bool on_upper,
-                             bool filled);
+                             bool on_upper);
 
     /* Follow contour line around boundary of the Triangulation from the
      * specified TriEdge to its end which can be on either the lower or upper