Remove GrTextureProducer::MakeMipMappedCopy

No color type fallback

Change-Id: I0429491cca1088e877ba2da2ff71ef2219ac9ec7
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/272521
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
3 files changed