bisturi yaml keys: 4 edits in 2 file(s)

The task

Edit the files as follows: 1. In `config.yaml`: in the `api` section delete the `port` line. 2. In `config.staging.yaml`: in the `mail` section rename the key `retries` to `max_retries` (the value stays). 3. In `config.staging.yaml`: in the `scheduler` section delete the `interval` line. 4. In `config.staging.yaml`:…