Remove PodSecurityPolicy support and references (#10723)

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

roles/kubernetes-apps/external_provisioner/cephfs_provisioner/templates/clusterrole-cephfs-provisioner.yml.j2

@@ -20,7 +20,3 @@ rules:
   - apiGroups: [""]
     resources: ["secrets"]
     verbs: ["get", "create", "delete"]
-  - apiGroups: ["policy"]
-    resourceNames: ["cephfs-provisioner"]
-    resources: ["podsecuritypolicies"]
-    verbs: ["use"]

roles/kubernetes-apps/external_provisioner/cephfs_provisioner/templates/psp-cephfs-provisioner.yml.j2

@@ -1,44 +0,0 @@
----
-apiVersion: policy/v1beta1
-kind: PodSecurityPolicy
-metadata:
-  name: cephfs-provisioner
-  annotations:
-    seccomp.security.alpha.kubernetes.io/defaultProfileName:  'runtime/default'
-    seccomp.security.alpha.kubernetes.io/allowedProfileNames: 'runtime/default'
-{% if apparmor_enabled %}
-    apparmor.security.beta.kubernetes.io/defaultProfileName:  'runtime/default'
-    apparmor.security.beta.kubernetes.io/allowedProfileNames: 'runtime/default'
-{% endif %}
-  labels:
-    addonmanager.kubernetes.io/mode: Reconcile
-spec:
-  privileged: false
-  allowPrivilegeEscalation: false
-  requiredDropCapabilities:
-    - ALL
-  volumes:
-    - 'configMap'
-    - 'emptyDir'
-    - 'projected'
-    - 'secret'
-    - 'downwardAPI'
-    - 'persistentVolumeClaim'
-  hostNetwork: false
-  hostIPC: false
-  hostPID: false
-  runAsUser:
-    rule: 'RunAsAny'
-  seLinux:
-    rule: 'RunAsAny'
-  supplementalGroups:
-    rule: 'MustRunAs'
-    ranges:
-      - min: 1
-        max: 65535
-  fsGroup:
-    rule: 'MustRunAs'
-    ranges:
-      - min: 1
-        max: 65535
-  readOnlyRootFilesystem: false