Format cmor related files

[jvegreg]

Just to avoid messing with the pre-commit hooks, as usually is just @sloosvel and me modifying these files

---

Before you get started

• ☝ Create an issue to discuss what you are going to do

Checklist

• PR has a descriptive title for the changelog
• Code follows the style guide
• Documentation is available for new functionality
• YAML files pass pre-commit or yamllint checks
• Circle/CI tests pass
• Codacy code quality checks pass
• Documentation builds successfully on readthedocs
• Unit tests are available

If you make backwards incompatible changes to the recipe format:

• Update ESMValTool and link the pull request(s) in the description

[sloosvel]

Codacy complains about missing blank lines now though.

[jvegreg]

That's common now. It looks like Codacy prefers a slightly different format, but I think we can live with it