[skif] Remove legacy SkImageImageFilter implementation

Bug: skia:9282
Bug: b/263131616
Change-Id: Ic1775a64d486e9e877e4e88441d8ee819cc30e2c
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/701417
Auto-Submit: Michael Ludwig <michaelludwig@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Michael Ludwig <michaelludwig@google.com>
1 file changed