We switched build.webkit.org to newer buildbot last year (Bug 175056). We should delete old buildbot code from Bot watcher's dashboard.
Pull request: https://github.com/WebKit/WebKit/pull/313
Committed r293016 (249755@main): <https://commits.webkit.org/249755@main> Reviewed commits have been landed. Closing PR #313 and removing active labels.
<rdar://problem/91962694>
Updated build.webkit.org to pick up this change.