For alternate remotes, we should hide certain stdout content.
<rdar://problem/92639150>
Pull request: https://github.com/apple/WebKit/pull/4
Pull request: https://github.com/WebKit/WebKit/pull/468
Committed r293780 (250259@main): <https://commits.webkit.org/250259@main> Reviewed commits have been landed. Closing PR #468 and removing active labels.