[release notes] update release note template
remove the **Upgrade Impact** section from the release notes template.
the impactful upgrade was from April and does not need to be called
out weekly in release notes.
@@ -18,10 +18,6 @@ pushd ./automate.wiki
# Reset "Pending Release Notes" wiki page
cat >./Pending-Release-Notes.md <<EOH
-## Upgrade Impact
-
-ICYMI: If you are upgrading from a version prior to 20190410001346, please read our [Important Compliance Outage Announcement](https://discourse.chef.io/t/important-compliance-outage-information-on-automate-2-april-15th-upgrade/14909).
-
## New Features
-
