R1:8e5afb56af20

Drop interactive login from sshd example

Summary: Prevent slightly disturbing output on SSH authentication failure that implies some kind of interactive logins are possible: `Permission denied (publickey,keyboard-interactive).`

Test Plan: doitlive

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin

Differential Revision: https://secure.phabricator.com/D18167