Remove unused inColor

Change-Id: Id99c907bc0cd309d88b5527babf44b5ad05b971b
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/340156
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
1 file changed