cleanup time zone settings
Created by: bbodenmiller
time zone settings moved to gitlab.yml in https://github.com/gitlabhq/gitlabhq/pull/8015
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Created by: bbodenmiller
time zone settings moved to gitlab.yml in https://github.com/gitlabhq/gitlabhq/pull/8015