message: unneeded mut removed
diff: @@ -468,7 +468,7 @@ impl InmemWallet {
  Some(ref mut record) => {
  let curr_tags_json = record.tags.to_str().unwrap().to_string() ;
  - let mut curr_tags_res = serde_json::from_str::<HashMap<String, String>>(&curr_tags_json);
  + let curr_tags_res = serde_json::from_str::<HashMap<String, String>>(&curr_tags_json);
  let tags_names_to_delete = serde_json::from_str::<Vec<String>>(&tag_names);
  let (mut curr_tags, tags_delete) = match (curr_tags_res, tags_names_to_delete) {
  