Remove MakeCrossContextFromEncoded, unused argument from ...FromPixmap

Change-Id: I962e923a4994eb549a9c1002323f33d05b936b84
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/234912
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
diff --git a/RELEASE_NOTES.txt b/RELEASE_NOTES.txt
index 79843c0..acd9f6a 100644
--- a/RELEASE_NOTES.txt
+++ b/RELEASE_NOTES.txt
@@ -30,6 +30,9 @@
  * Add SkCodec::SelectionPolicy for distinguishing between decoding a still image
    or an image sequence for a container format that has both (e.g. HEIF).
 
-* SkImage::makeTextureImage no longer takes an SkColorSpace parameter. It was unused.
+* SkImage::makeTextureImage and SkImage::MakeCrossContextFromPixmap no longer take an
+  SkColorSpace parameter. It was unused.
 
 * SkImage::reinterpretColorSpace - to reinterpret image contents in a new color space.
+
+* Removed SkImage::MakeCrossContextFromEncoded.