remove argc and argv

Arrangement_on_surface_2/test/Arrangement_on_surface_2/test_rational_function_traits_2.cpp

@@ -35,7 +35,7 @@ struct Cmp {
   { return (m_cmp_object(p1, p2) == CGAL::LARGER); }
 };
 
-int main(int argc, char* argv[])
+int main()
 {
   // testing that all types are present: 
   

Boolean_set_operations_2/test/Boolean_set_operations_2/test_polygon_validation.cpp

@@ -99,7 +99,7 @@ special_warnings(const char *,
             << std::endl;
 }
 
-int main (int argc, char * argv[])
+int main ()
 {
   std::cerr << "Modify the w-a-r-n-i-n-g-s handler...\n";
   CGAL::set_warning_handler(special_warnings);