Update k8s-best-practices-cnf-security.adoc

Author: mwlinca

modules/k8s-best-practices-cnf-security.adoc

@@ -75,9 +75,6 @@ See test cases link:https://github.com/test-network-function/cnf-certification-t
 **Impacts and Risks of Non-Compliance:** Modified base images can introduce security vulnerabilities, create inconsistent behavior, and violate immutable infrastructure principles.
 ====
 
-[id="k8s-best-practices-avoid-the-host-network-namespace"]
-= Avoid the host network namespace
-
 Application pods must avoid using `hostNetwork`. Applications may not use the host network, including `nodePort` for network communication. Any networking needs beyond the functions provided by the pod network and ingress/egress proxy must be serviced via a MULTUS connected interface.
 
 .Workload requirement