Azure Virtual Machine Scale Sets unsupported items for domain mode are missing

https://access.redhat.com/documentation/en-us/red_hat_jboss_enterprise_application_platform/7.4/html-single/using_jboss_eap_in_microsoft_azure/index#unsupported_features must be updated to state:

• VMSS usage to scale up the primary Host Controller (aka the Domain Controller) is not supported in Domain Mode