[BUG] Chef Infra Server requirements don't make sense

[tas50]

General details

Link to page and section that needs updated:

Product

[ ] Chef Automate
[ ] Chef Habitat
[ ] Chef Infra Client
[X] Chef Infra Server
[ ] Chef InSpec
[ ] Other________________

Describe the update that needs to be made. Be as specific as possible:

I'm not sure what happened here, but we're giving the requirements for an HA setup, but we're not talking about HA. it makes it sound like you need 3 servers:

http://localhost:1313/chef_system_requirements/#chef-infra-server-on-premises-or-in-cloud-environment