Skip passes report for `--make-reports`
# What does this PR do?

We sometimes have timeout on CircleCI. It turns out that the tests are finished (running in the workers, which exit at the end), but the main process is busy doing some reporting work when we specify `--make-reports`. More precisely, it is the `passes` report which takes time (as we include `Pp` in `tr.reportchars = "wPpsxXEf"`). From the 2 screenshots below (running with 64 models), we can see that currently it takes extra ~2-3 minutes at the end.

It seems that  `passes` report doesn't contain any useful information to us, therefore this PR skips generating it to avoid timeout.

- **without this PR**
<img width="448" alt="no-fix" src="https://user-images.githubusercontent.com/2521628/180396971-69f19b12-978b-4e19-8842-17d1af307d51.png">

- **with this PR**
<img width="452" alt="fix" src="https://user-images.githubusercontent.com/2521628/180396917-bb866363-efa3-4959-b5e3-e99ab283cc6c.png">

### One failed CircleCI job run
[Job](https://app.circleci.com/pipelines/github/huggingface/transformers/43738/workflows/325901ce-948e-4737-9a79-8a7fe9d6e27d/jobs/506868/resources)

<img width="452" alt="real" src="https://user-images.githubusercontent.com/2521628/180399481-a7f571bc-75f3-4826-b5d5-8c50c3164678.png">


_The documentation is not available anymore as the PR was closed or merged._<|||||>Same as Sylvain :)