We intended to use some extra python modules for autotest in the chroot,
but decided against it. They're removed from hard-host-depends in
https://gerrit.chromium.org/gerrit/21816
BUG=None
TEST=./upgrade_chroot; see that they've been removed.
CQ-DEPEND=If896436bf9fed7c0fd600ffca9a4c854fd7eceba
CQ-DEPEND=I95df39e40b62c919df0bafcb490d8caa48c04dd4
Change-Id: If9854661b8774d519c5a587e77c31eafdc9b889b
Reviewed-on: https://gerrit.chromium.org/gerrit/21817
Tested-by: Chris Masone <cmasone@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Commit-Ready: Chris Masone <cmasone@chromium.org>