shill: remove code conditionally compiled for Brillo shill is no longer built for Android / Brillo. This CL removes the code that is conditionally compiled for Brillo. BUG=chromium:729155 TEST=Remote trybot runs. Change-Id: Iaf45efb8c8504d5049ce2f73cf3a3f417a5e0976 Reviewed-on: https://chromium-review.googlesource.com/530062 Commit-Ready: Ben Chan <benchan@chromium.org> Tested-by: Ben Chan <benchan@chromium.org> Reviewed-by: Mike Frysinger <vapier@chromium.org>