message: code review: Remove the clear as this function won't be called several times
diff: @@ -341,11 +341,6 @@ class Flag_complex_sparse_matrix {
  template<typename FilteredEdgeOutput>
  void filtered_edge_collapse(FilteredEdgeOutput filtered_edge_output) {
  Row_index endIdx = 0;
  -
  - u_set_removed_edges_.clear();
  - u_set_dominated_edges_.clear();
  - critical_edge_indicator_.clear();
  -
  // Sort edges
  auto sort_by_filtration = [](const Filtered_edge& edge_a, const Filtered_edge& edge_b) -> bool
  {
  