There are a number of unused resources in LayoutTests/css3, we should delete them.
<rdar://problem/79084512>
Created attachment 430976 [details] Patch
Created attachment 431138 [details] Patch
Committed r278790 (238747@main): <https://commits.webkit.org/238747@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 431138 [details].