Instead of ignoring all unexpected files, let's maintain a list of files that should be ignored, so that we don't risk excluding new files by mistake.
Pull request: https://github.com/WebKit/WebKit/pull/700
Committed r294379 (250671@main): <https://commits.webkit.org/250671@main> Reviewed commits have been landed. Closing PR #700 and removing active labels.
<rdar://problem/93468769>