Merge pull request #57603 from mburke5678/okd-remove-ossm

GH57499:[OKD] Broken link to install service mesh

Author: mburke5678

post_installation_configuration/network-configuration.adoc

@@ -95,13 +95,15 @@ include::modules/modifying-template-for-new-projects.adoc[leveloffset=+2]
 include::modules/nw-networkpolicy-project-defaults.adoc[leveloffset=+3]
 endif::[]
 
+ifndef::openshift-origin[]
 include::modules/ossm-supported-configurations.adoc[leveloffset=+1]
 
 include::modules/ossm-installation-activities.adoc[leveloffset=+2]
 
 .Next steps
 
 * xref:../service_mesh/v2x/installing-ossm.adoc#installing-ossm[Install {SMProductName}] in your {product-title} environment.
+endif::openshift-origin[]
 
 [id="post-installationrouting-optimization"]
 == Optimizing routing