Remove experimental layout-animations policy.
This document policy (previously feature policy) has been in an
experimental state for several years, and there are no current plans to
ship it. Removing the feature to reduce the maintenance burden of unused
code.
Bug: 340920459
Change-Id: Icb6dedb47d942816e6a8b3fc32b92b97c1d2e9dd
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5545139
Reviewed-by: danakj danakj@chromium.org
Commit-Queue: Ian Clelland iclelland@chromium.org
Reviewed-by: Rick Byers rbyers@chromium.org
Cr-Commit-Position: refs/heads/main@{#1302880}