Remove PodSecurityPolicy support and references (#10723)

This is removed from kubernetes since 1.25, time to cut some dead code.

roles/kubernetes-apps/metallb/templates/metallb.yaml.j2

@@ -1504,14 +1504,6 @@ rules:
   verbs:
   - create
   - patch
-- apiGroups:
-  - policy
-  resourceNames:
-  - controller
-  resources:
-  - podsecuritypolicies
-  verbs:
-  - use
 - apiGroups:
   - admissionregistration.k8s.io
   resourceNames:
@@ -1597,14 +1589,6 @@ rules:
   verbs:
   - create
   - patch
-- apiGroups:
-  - policy
-  resourceNames:
-  - speaker
-  resources:
-  - podsecuritypolicies
-  verbs:
-  - use
 {% endif %}
 
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