removed tls-cert-file setting as it is deprecated (see kubernetes/kubernetes#58968)

Author: githubixx

defaults/main.yml

@@ -67,7 +67,6 @@ k8s_apiserver_settings:
   "kubelet-client-certificate": "{{k8s_conf_dir}}/cert-k8s-apiserver.pem"
   "kubelet-client-key": "{{k8s_conf_dir}}/cert-k8s-apiserver-key.pem"
   "service-account-key-file": "{{k8s_conf_dir}}/cert-k8s-apiserver-key.pem"
-  "tls-ca-file": "{{k8s_conf_dir}}/ca-k8s-apiserver.pem"
   "tls-cert-file": "{{k8s_conf_dir}}/cert-k8s-apiserver.pem"
   "tls-private-key-file": "{{k8s_conf_dir}}/cert-k8s-apiserver-key.pem"