GitLab

The old label needs to be removed, so call label_remove on it. This is
only needed by the inv path but that path shares code and removing
won't hurt the non-inv path.

Also the proxy redirect needs to be done at the insert or after to make
sure the redirect target is correct.
Signed-off-by: John Johansen <john.johansen@canonical.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>