Revert "Stop managing Policy CRD on the hub cluster"

This reverts commit 20075f6.

That commit caused the Policy CRD to be completely lost in
some upgrade situations.

Signed-off-by: Justin Kulikauskas <[email protected]>

Author: JustinKuli

pkg/addon/policyframework/manifests/managedclusterchart/templates/policy.open-cluster-management.io_policies_crd.yaml

@@ -1,6 +1,5 @@
 # Copyright Contributors to the Open Cluster Management project
 
-{{- if not .Values.onMulticlusterHub }}
 {{- if semverCompare "< 1.16.0" .Capabilities.KubeVersion.Version }}
 
 ---
@@ -485,4 +484,3 @@ status:
   conditions: []
   storedVersions: []
 {{- end }}
-{{- end }}