Don't create extra free space in runners for cuda images

[mathbunnyru]

Describe your changes

Issue ticket if applicable

Checklist (especially for first-time contributors)

• I have performed a self-review of my code
• If it is a core feature, I have added thorough tests
• I will try not to use force-push to make the review process easier for reviewers
• I have updated the documentation for significant changes

[mathbunnyru]

Runners have around 28G space, it might be enough for us.

https://github.com/jlumbroso/free-disk-space doesn't seem to be well supported, so if everything works without it, I would prefer not to use this action.