GitLab

On the local NTP we allow background customization even if
a theme is installed. Remove the logging for unavailablity
due to having a theme installed as it's no longer true.

Bug: None
Change-Id: Ib181fd959f5e321343789f692f18c1491b53ebbc
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1575637Reviewed-by: Gayane Petrosyan <gayane@chromium.org>
Commit-Queue: Kyle Milka <kmilka@chromium.org>
Cr-Commit-Position: refs/heads/master@{#652901}