GitLab

This change removes scripts from WebUI pages that aren't used anymore.

Bug: 41905
Change-Id: I9b7843e1de6402e9e1e21c7846f227d1feafb277
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2224603Reviewed-by: Eric Roman <eroman@chromium.org>
Reviewed-by: dpapad <dpapad@chromium.org>
Commit-Queue: Jun Kokatsu <Jun.Kokatsu@microsoft.com>
Cr-Commit-Position: refs/heads/master@{#774737}