Removed an outdated check about hdf5_version
# What does this PR do?

Remove a check `self.assertTrue(h5py.version.hdf5_version.startswith("1.10"))` which is outdated and makes the CI daily test fail.

@LysandreJik @sgugger 
The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/transformers/pr_16011). All of your documentation changes will be reflected on that endpoint.