Revert "Merge pull request #24905 from gooncreeper/file-reader-buffered"

This reverts commit ac42eaaadd0650ffc281f9a1ed1a642fde8984b7, reversing
changes made to 9fa2394f8c00d060931d69fb6f342f7f2e3d826e.

I would like a chance to review this, please. I already spotted some
issues.
1d764c1fdfAndrew Kelley committed on 9/5/2025, 6:26:38 PMparentac42eaa
3 files changedLine totals unavailable