[ios] Remove chrome://flag#new-sync-opt-in-illustration

The experiment turned down so the flag is no longer needed.

This CL also updates the test to disable the feature flag.

Bug: 394329650
Change-Id: I5bfb2aad23ab7a81ceccd6e7c1a9384acb79928a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6234984
Commit-Queue: Mark Cogan <marq@chromium.org>
Auto-Submit: Asami Doi <asamidoi@chromium.org>
Reviewed-by: Mark Cogan <marq@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1416684}
NOKEYCHECK=True
GitOrigin-RevId: c65cf806ffccbeafa1150d7c96d636eaa91ae932
4 files changed
tree: 130765a7e78dbff2a6ecd8d0fca690a5a6734337
  1. build/
  2. chrome/
  3. components/
  4. google_internal/
  5. intents/
  6. net/
  7. public/
  8. testing/
  9. third_party/
  10. tools/
  11. web/
  12. web_view/
  13. .swift-format
  14. BUILD.gn
  15. COMMON_METADATA
  16. DEPS
  17. DIR_METADATA
  18. features.gni
  19. OWNERS
  20. PRESUBMIT.py
  21. PRESUBMIT_test.py
  22. README.md
README.md

This directory holds code related to Chrome for iOS. See this document for a description of the structure underneath this directory.