WPE never supported favicons, I don't know why we expose WebKitFaviconDatabase, but we don't need it for sure in the new API.
Pull request: https://github.com/WebKit/WebKit/pull/9377
Committed 259675@main (9ba4f3f59221): <https://commits.webkit.org/259675@main> Reviewed commits have been landed. Closing PR #9377 and removing active labels.