Cleanup: remove all cloud_provider related tasks & files

Signed-off-by: ChengHao Yang <17496418+tico88612@users.noreply.github.com>

roles/kubernetes-apps/persistent_volumes/meta/main.yml

@@ -1,12 +1,5 @@
 ---
 dependencies:
-  - role: kubernetes-apps/persistent_volumes/openstack
-    when:
-      - cloud_provider is defined
-      - cloud_provider in [ 'openstack' ]
-    tags:
-      - persistent_volumes_openstack
-
   - role: kubernetes-apps/persistent_volumes/cinder-csi
     when:
       - cinder_csi_enabled

roles/kubernetes-apps/persistent_volumes/openstack/defaults/main.yml

@@ -1,7 +0,0 @@
----
-persistent_volumes_enabled: false
-storage_classes:
-  - name: standard
-    is_default: true
-    parameters:
-      availability: nova

roles/kubernetes-apps/persistent_volumes/openstack/tasks/main.yml

@@ -1,20 +0,0 @@
----
-- name: Kubernetes Persistent Volumes | Lay down OpenStack Cinder Storage Class template
-  template:
-    src: "openstack-storage-class.yml.j2"
-    dest: "{{ kube_config_dir }}/openstack-storage-class.yml"
-    mode: "0644"
-  register: manifests
-  when:
-    - inventory_hostname == groups['kube_control_plane'][0]
-
-- name: Kubernetes Persistent Volumes | Add OpenStack Cinder Storage Class
-  kube:
-    name: storage-class
-    kubectl: "{{ bin_dir }}/kubectl"
-    resource: StorageClass
-    filename: "{{ kube_config_dir }}/openstack-storage-class.yml"
-    state: "latest"
-  when:
-    - inventory_hostname == groups['kube_control_plane'][0]
-    - manifests.changed

roles/kubernetes-apps/persistent_volumes/openstack/templates/openstack-storage-class.yml.j2

@@ -1,27 +0,0 @@
-{% for class in storage_classes %}
----
-kind: StorageClass
-apiVersion: storage.k8s.io/v1
-metadata:
-  name: "{{ class.name }}"
-  annotations:
-    storageclass.kubernetes.io/is-default-class: "{{ class.is_default | default(false) | ternary("true","false") }}"
-provisioner: kubernetes.io/cinder
-{% if class.mount_options is defined %}
-mountOptions:
-{% for option in class.mount_options | default([]) %}
-  - "{{ option }}"
-{% endfor %}
-{% endif %}
-parameters:
-{% for key, value in (class.parameters | default({})).items() %}
-  "{{ key }}": "{{ value }}"
-{% endfor %}
-{% if class.reclaim_policy is defined %}
-reclaimPolicy: "{{ class.reclaim_policy }}"
-{% endif %}
-{% if class.volume_binding_mode is defined %}
-volumeBindingMode: "{{ class.volume_binding_mode }}"
-{% endif %}
-allowVolumeExpansion: {{ expand_persistent_volumes }}
-{% endfor %}