OCPBUGS-57827: Replaced duplicate title with required text in the 4.17 RN doc

Author: dfitzmau

release_notes/ocp-4-17-release-notes.adoc

@@ -1610,7 +1610,7 @@ The `preserveBootstrapIgnition` parameter for {aws-short} in the `install-config
 In {product-title} {product-version}, `kube-apiserver` no longer gets a valid cloud configuration object. As a result, the `PersistentVolumeLabel` admission plugin rejects in-tree Google Compute Engine (GCE) persistent disk persistent volumes (PD PVs), that do not have the correct topology. (link:https://issues.redhat.com/browse/OCPBUGS-34544[OCPBUGS-34544])
 
 [id="ocp-4-17-web-console-patternfly_{context}"]
-==== kube-apiserver no longer gets a valid cloud configuration object
+==== Deprecation of Patternfly 4 and React Router 5
 
 In {product-title} 4.16, Patternfly 4 and React Router 5 were deprecated. The deprecated static remains the same for {product-title} {product-version}. All plugins should migrate to Patternfly 5 and React Router 6 as soon as possible. (link:https://issues.redhat.com/browse/OCPBUGS-34538[OCPBUGS-34538])