Fixup #2545, cephfs-provisioner: Individual Namespace for Add-on

inventory/sample/group_vars/k8s-cluster.yml

@@ -192,7 +192,7 @@ local_volume_provisioner_enabled: false
 
 # CephFS provisioner deployment
 cephfs_provisioner_enabled: false
-# cephfs_provisioner_namespace: "{{ system_namespace }}"
+# cephfs_provisioner_namespace: "cephfs-provisioner"
 # cephfs_provisioner_cluster: ceph
 # cephfs_provisioner_monitors:
 #   - 172.24.0.1:6789

roles/kubernetes-apps/external_provisioner/cephfs_provisioner/defaults/main.yml

 ---
-cephfs_provisioner_namespace: "kube-system"
+cephfs_provisioner_namespace: "cephfs-provisioner"
 cephfs_provisioner_cluster: ceph
 cephfs_provisioner_monitors: []
 cephfs_provisioner_admin_id: admin