GitLab

All hosts should now (as of several years ago) be set up using a
robot account so the codepath to handle host registration for a person
account is no longer useful.  Removing it to clean up the logic and
prevent future confusion.

Change-Id: I7cb813dc05e9eb79a76d04ea37a80470edd66d73
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2495981
Commit-Queue: Joe Downing <joedow@google.com>
Reviewed-by: Jamie Walch <jamiewalch@chromium.org>
Cr-Commit-Position: refs/heads/master@{#821345}