hot fix for egress firewall

Author: JoeAldinger

release_notes/ocp-4-16-release-notes.adoc

@@ -215,8 +215,6 @@ With this release, migration from the OpenShift SDN network plugin to OVN-Kubern
 
 With this release, OVN-Kubernetes uses a new `DNSNameResolver` custom resource to keep track of DNS records in your egress firewall rules, and is available as a Technology Preview. This custom resource supports the use of both wildcard DNS names and regular DNS names and allows access to DNS names regardless of the IP addresses associated with its change.
 
-For more information, see xref:../networking/network_security/configuring-egress-firewall-ovn.adoc#nw-coredns-egress-firewall[Improved DNS resolution and resolving wildcard domain names].
-
 [id="ocp-4-16-networking-sriov-draining_{context}"]
 ==== Parallel node draining during SR-IOV network policy updates
 
@@ -289,7 +287,7 @@ For more information, see xref:../networking/ovn_kubernetes_network_provider/con
 [id="ocp-4-16-networking-sdn-ovnk-live-migration_{context}"]
 ==== Live migration to the OVN-Kubernetes network plugin
 
-Previously, when migrating from OpenShift SDN to OVN-Kubernetes, the only available option was an _offline_ migration method. This process included some downtime, during which clusters were unreachable. 
+Previously, when migrating from OpenShift SDN to OVN-Kubernetes, the only available option was an _offline_ migration method. This process included some downtime, during which clusters were unreachable.
 
 This release introduces a _live_ migration method. The live migration method is the process in which the OpenShift SDN network plugin and its network configurations, connections, and associated resources are migrated to the OVN-Kubernetes network plugin without service interruption. It is available for {product-title}, {product-dedicated}, {product-rosa}, and Azure Red Hat OpenShift deployment types. It is not available for HyperShift deployment types. This migration method is valuable for deployment types that require constant service availability and offers the following benefits: