Dashboard - Remove stats_around_revision
Dashboard - Remove stats_around_revision

Bug: catapult:#4528
Change-Id: I54d91d76d26d8136465efee0d7b0fc0ecbff9e7a
Reviewed-on: https://chromium-review.googlesource.com/1117334
Reviewed-by: Ethan Kuefner <b3258c73b307e35b2725bc68d7434c38b3a2b146@chromium.org>
Commit-Queue: Simon Hatch <490a224d89645d3fea983d7189ce51bde0a00c1d@chromium.org>

catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult