Remove sk_InColor from unit tests.

It's been replaced with a `uniform half4` in tests where it was needed,
which tends to generate similar code overall.

Change-Id: Iacc062efaeae37ebecf78505abe0fc563b69ceb0
Bug: skia:10619
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/311099
Commit-Queue: John Stiles <johnstiles@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
Auto-Submit: John Stiles <johnstiles@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
1 file changed