Uninstall Kubernetes on CentOS Shell Script

#!/bin/bash

function kube_uninstall()
{
#kubectl cleanup
    kubectl delete -f https://docs.projectcalico.org/v3.3/getting-started/kubernetes/installation/hosted/rbac-kdd.yaml

    kubectl delete -f https://docs.projectcalico.org/v3.3/getting-started/kubernetes/installation/hosted/kubernetes-datastore/calico-networking/1.7/calico.yaml

#kubeadm reset
     kubeadm reset
     ETCDCTL_API=3 etcdctl del "" --prefix

#Uninstall kubeadm
     sudo yum remove kubeadm kubectl kubelet kubernetes-cni kube*

#centos
     sudo yum autoremove

#Remove kube config
    sudo rm -rf ~/.kube
}