remove old kDCIP3 alias

These numbers were Display P3.

Bug: skia:9792
Change-Id: I1aded49427aa0fa4bcd8a0f563b36d2180383900
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/292822
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Mike Klein <mtklein@google.com>
1 file changed