Fix: remove --config option from kubeadm upgrade (kubernetes-sigs#11350) (kubernetes-sigs#11352)

We can't mix some options with --config for kubeadm upgrade.
The --config on upgrade is deprecated, and should be removed.

Author: tmurakam

roles/kubernetes/control-plane/tasks/kubeadm-upgrade.yml

@@ -15,7 +15,6 @@
     {{ bin_dir }}/kubeadm
     upgrade apply -y {{ kube_version }}
     --certificate-renewal={{ kubeadm_upgrade_auto_cert_renewal }}
-    --config={{ kube_config_dir }}/kubeadm-config.yaml
     --ignore-preflight-errors=all
     --allow-experimental-upgrades
     --etcd-upgrade={{ (etcd_deployment_type == "kubeadm") | bool | lower }}
@@ -37,7 +36,6 @@
     {{ bin_dir }}/kubeadm
     upgrade apply -y {{ kube_version }}
     --certificate-renewal={{ kubeadm_upgrade_auto_cert_renewal }}
-    --config={{ kube_config_dir }}/kubeadm-config.yaml
     --ignore-preflight-errors=all
     --allow-experimental-upgrades
     --etcd-upgrade={{ (etcd_deployment_type == "kubeadm") | bool | lower }}