Ambient dataset cleanup and upload

[ebezzam]

Thank you for submitting a pull request (PR)! Before hitting the submit button, we would be really glad if you check all the following points. Even if you can't check all the boxes below, do not hesitate to go ahead with the PR and ask for help there.

Please also refer to the doc on contributing for more details.

• Have you run the tests by running pytest from the repository root? See the documentation for more details.
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Happy PR 😃