[chromite] remove pineview and sandybridge freon
After the changes to default freon for pineview and sandybridge landed,
we no longer need the freon builders for pineview and sandybridge.
This CL removes the related configurations from cbuildbot.
BUG=chromium:521709
TEST=unittest
Change-Id: Iebb12e2ae604af9e4e9d34a9d5fe641e68bf1b70
Reviewed-on: https://chromium-review.googlesource.com/293869
Trybot-Ready: Haixia Shi <hshi@chromium.org>
Tested-by: Haixia Shi <hshi@chromium.org>
Reviewed-by: Dharani Govindan <dharani@chromium.org>
Reviewed-by: Daniel Jacques <dnj@chromium.org>
Commit-Queue: Haixia Shi <hshi@chromium.org>
2 files changed
