Remove unused OptionalCallbackID
Created attachment 436045 [details] Patch
Created attachment 436046 [details] Patch
<rdar://problem/82460682>
Tools/Scripts/svn-apply failed to apply attachment 436046 [details] to trunk. Please resolve the conflicts and upload a new patch.
Created attachment 436817 [details] Patch
Committed r281782 (241119@main): <https://commits.webkit.org/241119@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 436817 [details].