Remove optional wheels for Python 3.10

[akaszynski]

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Error during upload. Retry with the --verbose option for more details.
HTTPError: 400 Bad Request from https://upload.pypi.org/legacy/
Invalid value for requires_dist. Error: Can't have direct dependency: 'vtk @ https://github.com/pyvista/pyvista-wheels/raw/main/vtk-9.1.0.dev0-cp310-cp310-manylinux_2_17_x86_64.manylinux2014_x86_64.whl'
Error: Process completed with exit code 1.

[germa89]

Roger