Remove unused needsDestruction class variables from HashTraits needsDestruction has been obsoleted in Bug 121983.
Created attachment 349370 [details] Patch
Comment on attachment 349370 [details] Patch Clearing flags on attachment: 349370 Committed r235886: <https://trac.webkit.org/changeset/235886>
All reviewed patches have been landed. Closing bug.
<rdar://problem/44330637>