make_chroot: drop chrome-bot .ssh copy into the SDK

We shouldn't need to SSH from inside the SDK to external systems
anymore.  Drop this bit of code left over from old infra.

BUG=None
TEST=CQ passes

Change-Id: I296a284d08f8c539fd79c28576691079460d0662
Reviewed-on: https://chromium-review.googlesource.com/1759162
Tested-by: Mike Frysinger <vapier@chromium.org>
Commit-Ready: Mike Frysinger <vapier@chromium.org>
Legacy-Commit-Queue: Commit Bot <commit-bot@chromium.org>
Reviewed-by: Mike Nichols <mikenichols@chromium.org>
1 file changed