Remove SkRuntimeColorFilterFactory

Client code has been updated to use SkRuntimeEffect directly.

Change-Id: If471fa413ea60087d6445fce20b8363a07a64049
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/262063
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
3 files changed