Drop all calls to Node::setHasCustomStyleResolveCallbacks() in constructors.
Pull request: https://github.com/WebKit/WebKit/pull/11278
Committed 261431@main (5231135d7b44): <https://commits.webkit.org/261431@main> Reviewed commits have been landed. Closing PR #11278 and removing active labels.
<rdar://problem/106499556>