Remove skcms_internal.h

Now that http://review.skia.org/775836 has landed, this file is no
longer used or referenced.

Change-Id: I85cbeffbb9ea8b06b2bcb28909ddafa7111119c9
Reviewed-on: https://skia-review.googlesource.com/c/skcms/+/774822
Auto-Submit: John Stiles <johnstiles@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: John Stiles <johnstiles@google.com>
1 file changed