Merge pull request #75372 from DCChadwick/ocpbugs32742

ocpbugs32742: removing redundant sentence

Author: ahardin-rh

modules/nw-networkpolicy-multitenant-isolation.adoc

@@ -13,7 +13,6 @@ project namespaces.
 .Prerequisites
 
 * Your cluster uses a network plugin that supports `NetworkPolicy` objects, such as the OVN-Kubernetes network plugin or the OpenShift SDN network plugin with `mode: NetworkPolicy` set. This mode is the default for OpenShift SDN.
-This mode is the default for OpenShift SDN.
 * You installed the OpenShift CLI (`oc`).
 * You are logged in to the cluster with a user with `admin` privileges.