Is [FastLZ](https://ariya.github.io/FastLZ/) directly used by c-blosc2? If not, shouldn't `LICENSES/FASTLZ.txt` be removed?

The question stands for [c-blosc](https://github.com/Blosc/c-blosc) as well.
`LICENSES/FASTLZ.txt`
This is a GitHub Issue
repo:c-blosc2
owner:Blosc
Title : `LICENSES/FASTLZ.txt`
Issue date:

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Is [FastLZ](https://ariya.github.io/FastLZ/) directly used by c-blosc2? If not, shouldn't `LICENSES/FASTLZ.txt` be removed?

The question stands for [c-blosc](https://github.com/Blosc/c-blosc) as well.
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