message: Remove a redundant call to bump_content_version()
diff: @@ -46,7 +46,6 @@ void ArrayBacklink::nullify_fwd_links(size_t ndx, CascadeState& state)
  // determine the source table/col - which is the one holding the forward links
  TableRef source_table = target_table->get_opposite_table(target_col_key);
  ColKey src_col_key = target_table->get_opposite_column(target_col_key);
  - source_table->bump_content_version();
  // Now follow all backlinks to their origin and clear forward links.
  if ((value & 1) != 0) {
  