[skif] Remove legacy SkPictureImageFilter

Bug: skia:9282
Bug: b/263134236
Change-Id: Ib70922df70932a165ddf2636918f81f4f33dda0e
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/700636
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Michael Ludwig <michaelludwig@google.com>
1 file changed