Cleanup old build-cephfs-provisioner.yml playbook (#6418)

extra_playbooks/build-cephfs-provisioner.yml

----
-
-- hosts: localhost
-  tasks:
-    - name: CephFS Provisioner | Install pip packages
-      pip:
-        name: "{{ item.name }}"
-        version: "{{ item.version }}"
-        state: "{{ item.state }}"
-        extra_args: "{{ pip_extra_args | default(omit) }}"
-      with_items:
-        - { state: "present", name: "docker", version: "3.4.1" }
-        - { state: "present", name: "docker-compose", version: "1.21.2" }
-
-    - name: CephFS Provisioner | Check Go version
-      shell: |
-        go version
-      ignore_errors: yes
-      register: go_version_result
-
-    - name: CephFS Provisioner | Install Go 1.9
-      shell: |
-        add-apt-repository -y ppa:gophers/archive
-        apt-get update
-        apt-get install -y golang-1.9
-        ln -fs /usr/lib/go-1.9/bin/* /usr/local/bin/
-      when: 'go_version_result.rc != 0 or "go version go1.9" not in go_version_result.stdout'
-
-    - name: CephFS Provisioner | Check if image exists
-      shell: |
-        docker image list | grep 'cephfs-provisioner'
-      ignore_errors: yes
-      register: check_image_result
-
-    - block:
-        - name: CephFS Provisioner | Clone repo
-          git:
-            repo: https://github.com/kubernetes-incubator/external-storage.git
-            dest: "~/go/src/github.com/kubernetes-incubator/external-storage"
-            version: 06fddbe2
-            clone: yes
-            update: yes
-
-        - name: CephFS Provisioner | Build image
-          shell: |
-            cd ~/go/src/github.com/kubernetes-incubator/external-storage
-            REGISTRY=quay.io/kubespray/ VERSION=06fddbe2 make ceph/cephfs
-
-        - name: CephFS Provisioner | Push image
-          docker_image:
-            name: quay.io/kubespray/cephfs-provisioner:06fddbe2
-            push: yes
-          register: docker_image
-          retries: 10
-          until: docker_image is succeeded
-
-      when: check_image_result.rc != 0