Remove support for now unused CMYKA<> color type
Created attachment 418086 [details] Patch
Comment on attachment 418086 [details] Patch r=me (assuming EWS is green)
Committed r271723: <https://trac.webkit.org/changeset/271723> All reviewed patches have been landed. Closing bug and clearing flags on attachment 418086 [details].
<rdar://problem/73475705>