message: Add example to AWS docs on how to delete a single benchmark result
diff: @@ -77,7 +77,13 @@ $ plot_final_task_accuracies --group_name=GROUP_NAME
  ## Removing obsolete plots
  -To remove **all** plots from S3:
  +To remove a **single** benchmark result from S3:
  +
  +```shell
  +aws s3 rm --recursive s3://xain-results/[group-name]
  +```
  +
  +To remove **all** benchmark results from S3:
  ```shell
  aws s3 rm --recursive s3://xain-results
  