remove legacy code for text attributes on paint Bug: skia:2664 Change-Id: I09f9d1401410d7ca338d7acde5a9660921c74da9 Reviewed-on: https://skia-review.googlesource.com/c/185460 Commit-Queue: Mike Reed <reed@google.com> Reviewed-by: Florin Malita <fmalita@chromium.org>