OCPBUGS#677 Remove xref from Creating the installation configuration file

Author: mjpytlak

modules/installation-initializing.adoc

@@ -203,11 +203,7 @@ ifndef::nutanix[]
 * Obtain service principal permissions at the subscription level.
 endif::nutanix[]
 ifdef::nutanix[]
-* Verify that you have met the Nutanix networking requirements.
-
-[role="_additional-resources"]
-.Additional resources
-* xref:preparing-to-install-on-nutanix.adoc#preparing-to-install-on-nutanix[Nutanix networking requirements].
+* Verify that you have met the Nutanix networking requirements. For more information, see "Preparing to install on Nutanix".
 endif::nutanix[]
 
 .Procedure