GitLab

This feature param is no longer needed since the top sites based
interstitial is fully launched.

Bug: 1060247
Change-Id: I3599310225015a19f62017331bbd1f3361a99e35
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2097331
Commit-Queue: Livvie Lin <livvielin@chromium.org>
Reviewed-by: Mustafa Emre Acer <meacer@chromium.org>
Reviewed-by: Joe DeBlasio <jdeblasio@chromium.org>
Cr-Commit-Position: refs/heads/master@{#749523}