[backport][8.10] Revert unattended transforms (#407)

[pzl]

Change Summary

backport #407 to 8.10

[kevinlog]

In order to actually publish, I think we need to do something like this: #387

[elasticmachine]

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• Start Time: 2023-08-14T20:03:07.257+0000

• Duration: 8 min 49 sec

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