build(deps): update extra-paddleocr requirements (#3515)
This PR removes custom index URL for `paddlepaddle` installation in
`extra-paddleocr.in`, resolving `setup.py` configuration error. Now uses
`paddlepaddle==3.0.0b1` directly from PyPI, simplifying installation
process.
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Co-authored-by: Matt Robinson <mrobinson@unstructuredai.io>
Co-authored-by: Matt Robinson <mrobinson@unstructured.io>
