[skia] Remove image filter legacy flags
Change-Id: Iefd07280198060ac7ed46d326ea0379f2ca6df3d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5920776
Reviewed-by: Xiyuan Xia xiyuan@chromium.org
Reviewed-by: Xiaoqian Dai xdai@chromium.org
Commit-Queue: Michael Ludwig michaelludwig@google.com
Cr-Commit-Position: refs/heads/main@{#1370373}