docs: Update kube-proxy-replacement flag values

Partial and strict values are deprecating.

Relates: #26036
Signed-off-by: Tam Mach <tam.mach@cilium.io>

Documentation/installation/cni-chaining-portmap.rst

@@ -15,7 +15,7 @@ Starting from Cilium 1.8, the Kubernetes HostPort feature is supported natively
 through Cilium's eBPF-based kube-proxy replacement. CNI chaining is therefore
 not needed anymore. For more information, see section :ref:`kubeproxyfree_hostport`.
 
-However, for the case where Cilium is deployed as ``kubeProxyReplacement=disabled``,
+However, for the case where Cilium is deployed as ``kubeProxyReplacement=false``,
 the HostPort feature can then be enabled via CNI chaining with the portmap plugin which
 implements HostPort. This guide documents how to enable the latter for the chaining
 case.