Remove non-kubeadm deployment (#3811)

* Remove non-kubeadm deployment

* More cleanup

* More cleanup

* More cleanup

* More cleanup

* Fix gitlab

* Try stop gce first before absent to make the delete process work

* More cleanup

* Fix bug with checking if kubeadm has already run

* Fix bug with checking if kubeadm has already run

* More fixes

* Fix test

* fix

* Fix gitlab checkout untill kubespray 2.8 is on quay

* Fixed

* Add upgrade path from non-kubeadm to kubeadm. Revert ssl path

* Readd secret checking

* Do gitlab checks from v2.7.0 test upgrade path to 2.8.0

* fix typo

* Fix CI jobs to kubeadm again. Fix broken hyperkube path

* Fix gitlab

* Fix rotate tokens

* More fixes

* More fixes

* Fix tokens

roles/kubernetes/master/tasks/kubeadm-cleanup-old-certs.yml

@@ -1,7 +1,7 @@
 ---
 - name: kubeadm | Retrieve files to purge
   find:
-    paths: "{{kube_cert_dir }}"
+    paths: "{{ kube_cert_dir }}"
     patterns: '*.pem'
   register: files_to_purge_for_kubeadm