Merge pull request #21115 from kalexand-rh/BZ1822552

BZ1822552 updating installer command output

Author: kalexand-rh

modules/installation-user-infra-generate-k8s-manifest-ignition.adoc

@@ -65,8 +65,8 @@ endif::restricted[]
 ----
 $ ./openshift-install create manifests --dir=<installation_directory> <1>
 
-WARNING There are no compute nodes specified. The cluster will not fully initialize without compute nodes.
-INFO Consuming "Install Config" from target directory
+INFO Consuming Install Config from target directory
+WARNING Making control-plane schedulable by setting MastersSchedulable to true for Scheduler cluster settings
 ----
 <1> For `<installation_directory>`, specify the installation directory that
 contains the `install-config.yaml` file you created.