[TextureMapperGL] Remove unused expandedQuadEdgesInScreenSpace uniform variable It was added by 108289@main (Bug 90308), but unsued since 124039@main (Bug 105377).
Created attachment 460265 [details] Patch
Committed r295584 (251589@main): <https://commits.webkit.org/251589@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 460265 [details].
<rdar://problem/95266870>