remove unused var

Surface_mesh_shortest_path/test/Surface_mesh_shortest_path/Surface_mesh_shortest_path_test_1.cpp

@@ -458,7 +458,7 @@ void test_boundary_mesh()
 }
 
 
-int main(int argc, char* argv[])
+int main()
 {
   shortest_path_regular_tetrahedron();
   test_simple_saddle_vertex_mesh();

Surface_mesh_shortest_path/test/Surface_mesh_shortest_path/Surface_mesh_shortest_path_traits_test.cpp

@@ -300,7 +300,7 @@ void detect_is_saddle_vertex()
   }
 }
 
-int main(int argc, char** argv)
+int main()
 {
   project_triangle3D_to_triangle2D();
   test_simple_2D_barycentric_coordinates();