remove time_zone_offset div

Change-Id: I6db9cd0aa76d80b73d1153e01e9e9c82a6ee19bb
Reviewed-on: https://gerrit.instructure.com/31546
Tested-by: Jenkins <jenkins@instructure.com>
Reviewed-by: Jacob Fugal <jacob@instructure.com>
Product-Review: Jacob Fugal <jacob@instructure.com>
QA-Review: Jacob Fugal <jacob@instructure.com>