message: Fix
  Remove useless reserve on vector
diff: @@ -1003,13 +1003,7 @@ void Bitmap_cubical_complex_base<T>::impose_lower_star_filtration() {
  // this vector will be used to check which elements have already been taken care of in imposing lower star filtration
  std::vector<bool> is_this_cell_considered(this->data.size(), false);
  - std::size_t size_to_reserve = 1;
  - for (std::size_t i = 0; i != this->multipliers.size(); ++i) {
  - size_to_reserve *= (std::size_t)((this->multipliers[i] - 1) / 2);
  - }
  -
  std::vector<std::size_t> indices_to_consider;
  - indices_to_consider.reserve(size_to_reserve);
  // we assume here that we already have a filtration on the top dimensional cells and
  // we have to extend it to lower ones.
  typename Bitmap_cubical_complex_base<T>::Top_dimensional_cells_iterator it(*this);
  