Merge pull request #79293 from mletalie/OSDOCS-11395

[OSDOCS-11395]ROSA does not have/support install-config - OpenShift Virtualization

Author: jeana-redhat

modules/virt-aws-bm.adoc

@@ -31,7 +31,10 @@ Before you set up your cluster, review the following summary of supported featur
 
 Installing::
 --
-* You can install the cluster by using installer-provisioned infrastructure, ensuring that you specify bare-metal instance types for the worker nodes by editing the `install-config.yaml` file. For example, you can use the `c5n.metal` type value for a machine based on x86_64 architecture.
+*  You can install the cluster by using installer-provisioned infrastructure, ensuring that you specify bare-metal instance types for the worker nodes. For example, you can use the `c5n.metal` type value for a machine based on x86_64 architecture.
+ifndef::openshift-rosa[]
+You specify bare-metal instance types by editing the `install-config.yaml` file.
+endif::openshift-rosa[]
 +
 For more information, see the {product-title} documentation about installing on AWS.
 --