ssh_no_update: drop Nothing uses this, so drop it. BUG=None TEST=precq passes CQ-DEPEND=CL:717117 Change-Id: I6f50f4eea16e18715506b8b4162ff1ee8951c193 Reviewed-on: https://chromium-review.googlesource.com/717118 Commit-Ready: Mike Frysinger <vapier@chromium.org> Tested-by: Mike Frysinger <vapier@chromium.org> Reviewed-by: Chirantan Ekbote <chirantan@chromium.org>