Remove "automatic" attribute parts concept
This was a test idea, which didn't pan out in terms of improving
performance. This CL removes this concept.
Bug: 40271855
Change-Id: Ibc81c1b4073d64b835d8113348b612bf7691585b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5609412
Auto-Submit: Mason Freed masonf@chromium.org
Reviewed-by: Joey Arhar jarhar@chromium.org
Commit-Queue: Mason Freed masonf@chromium.org
Cr-Commit-Position: refs/heads/main@{#1312592}