Remove instructions to post release announcements on Habitat forum
The Habitat forum was consolidated into the broader Chef forum a few
months ago.
@@ -272,7 +272,7 @@ for additional details.
# Release Notification
-1. Create new posts in [Chef Release Announcements](https://discourse.chef.io/c/chef-release) on the Chef Discourse as well as [Announcements](https://forums.habitat.sh/c/announcements) in the Habitat forums.
+1. Create new posts in [Chef Release Announcements](https://discourse.chef.io) on the Chef Discourse.
1. Tweet a release announcement from `@habitatsh`.
1. Link forum posts to the github release
