code: public FessMessages addSuccessDeleteDocFromIndex(String property) {
          assertPropertyNotNull(property);
          add(property, new UserMessage(SUCCESS_delete_doc_from_index));
          return this;
      }
docs: Add the created action message for the key 'success.delete_doc_from_index' with parameters.
  <pre>
  message: Started a process to delete the document from index.
  </pre>
  @param property The property name for the message. (NotNull)
  @return this. (NotNull)