Free up bits for `::target-text`
<rdar://problem/122976910>
Pull request: https://github.com/WebKit/WebKit/pull/24462
Committed 274683@main (4ef4a110000d): <https://commits.webkit.org/274683@main> Reviewed commits have been landed. Closing PR #24462 and removing active labels.
Re-opening for pull request https://github.com/WebKit/WebKit/pull/24476
Committed 274686@main (6edfdbf00113): <https://commits.webkit.org/274686@main> Reviewed commits have been landed. Closing PR #24476 and removing active labels.
Re-opened since this is blocked by bug 269594
This doesn't seem like the right approach. `::target-text` is very rarely used, so shouldn't go into NonInheritedFlags.