Stop using Vector::removeAll() in RenderLayerBacking::removeBackingSharingLayer(). The layer can only be present once in the vector.
Pull request: https://github.com/WebKit/WebKit/pull/17484
Committed 267701@main (76971ccf8938): <https://commits.webkit.org/267701@main> Reviewed commits have been landed. Closing PR #17484 and removing active labels.
<rdar://problem/115080268>