message: chore: remove debug println! from add_aux_node
diff: @@ -49,7 +49,6 @@ fn attach_new_node(node: &mut AuspiceTreeNode, result: &NextcladeOutputs) {
  fn add_aux_node(node: &mut AuspiceTreeNode) {
  debug_assert!(node.is_ref_node());
  - println!("Adding aux node to {}", node.tmp.id);
  let mut aux_node = node.clone();
  aux_node.branch_attrs.mutations.clear();
  