feat: enhance `pdfminer` element cleanup (#3593)
This PR aims to expand removal of `pdfminer` elements to include those
inside all `non-pdfminer` elements, not just `tables`.
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Co-authored-by: ryannikolaidis <1208590+ryannikolaidis@users.noreply.github.com>
Co-authored-by: christinestraub <christinestraub@users.noreply.github.com>
