Remove deprecated SkImage::MakeFromTexture variants that don't take SkColorType

Bug: skia:6718

Change-Id: I3b23ddb903fab5c41b7e6b1811a78cc38ba64590
Reviewed-on: https://skia-review.googlesource.com/115086
Commit-Queue: Brian Salomon <bsalomon@google.com>
Reviewed-by: Greg Daniel <egdaniel@google.com>
4 files changed