We don't need GitResetHard since we no longer support git-svn.
<rdar://problem/96674506>
Pull request: https://github.com/WebKit/WebKit/pull/2223
Committed 252276@main (c31e45fffff9): <https://commits.webkit.org/252276@main> Reviewed commits have been landed. Closing PR #2223 and removing active labels.