[Minor change] Remove mention of paying subscription
Author: cakiki
Pull request: yes

# What does this PR do?

Sorry for the two pull requests, I used the online edit function and wasn't sure how to group the two commits into one PR. 
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Fixes # (issue)


## Before submitting
- [x] This PR fixes a typo or improves the docs (you can dismiss the other checks if that's the case).
- [ ] Did you read the [contributor guideline](https://github.com/huggingface/transformers/blob/main/CONTRIBUTING.md#start-contributing-pull-requests),
      Pull Request section?
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- [ ] Did you write any new necessary tests?


## Who can review?

@sgugger 
Anyone in the community is free to review the PR once the tests have passed. Feel free to tag
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Comments:
_The documentation is not available anymore as the PR was closed or merged._