Add --linuxfast parameter to libxml roll.py --linuxfast makes it easy to quickly roll libxml commits in without running configure scripts on all platforms for situations where that is not needed, such as bisecting to a particular libxml commit on linux or removing build files as this patch does. This patch also removes some build files as recommended in https://chromium-review.googlesource.com/c/chromium/src/+/4637524 Change-Id: I456cd92a72abf2bcef3200b8528d14574d65528c Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4638673 Reviewed-by: David Baron <[email protected]> Commit-Queue: Joey Arhar <[email protected]> Cr-Commit-Position: refs/heads/main@{#1161723} NOKEYCHECK=True GitOrigin-RevId: 369bf59d1f1567702eac2d24f088536d8d8b61f8