Revert "Add exemptions to flex policy."

Revert submission 25631207-js_flex_exemptions

Reason for revert: Added tests failing in post submit b/317082660

Reverted changes: /q/submissionid:25631207-js_flex_exemptions

Change-Id: I5f852693c208d77cb2626987ddf0067df95e0f5d
6 files changed