Remove any remnants of os_crypt/sync from Brave - all Brave code has already been transitioned to async OSCrypt. Chromium changes: https://chromium.googlesource.com/chromium/src/+/a4cab4afb48c24f4557ec6dc7cbd1bd192fb65b4 commit a4cab4afb48c24f4557ec6dc7cbd1bd192fb65b4 Author: Tom Anderson <thomasanderson@chromium.org> Date: Fri Apr 17 15:10:45 2026 -0700 [OSCrypt] Remove sync backend R=thestig Fixed: 447372315 Change-Id: I56d58c4326aa74f540370cd1daf6cf974b15d4d6 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/7765593 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Thomas Anderson <thomasanderson@chromium.org> Cr-Commit-Position: refs/heads/main@{#1616892}