Drop mostly unused String(const LChar*) constructor.
Created attachment 456515 [details] Patch
Created attachment 456520 [details] Patch
Comment on attachment 456520 [details] Patch r=me
Committed r292299 (249196@main): <https://commits.webkit.org/249196@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 456520 [details].
<rdar://problem/91248833>