Remove LoFi from UKM

LoFi, both server and client, is now deprecated.

Bug: 944286
Change-Id: I4095aea5e5136da44eef8f641e052f8782e92d4d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1666306
Reviewed-by: Ryan Sturm <ryansturm@chromium.org>
Reviewed-by: Robert Kaplow (slow) <rkaplow@chromium.org>
Commit-Queue: Robert Ogden <robertogden@chromium.org>
Cr-Commit-Position: refs/heads/master@{#672130}
2 files changed