Revert "Added default IPv6 configuration for NGINX"
This reverts commit 9b2adec0.
In order to fix the issues we've been encountering with users in ipv6
Fixes: https://gitlab.com/gitlab-org/omnibus-gitlab/issues/1735
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
This reverts commit 9b2adec0.
In order to fix the issues we've been encountering with users in ipv6
Fixes: https://gitlab.com/gitlab-org/omnibus-gitlab/issues/1735