Remove container-runtime flag from later versions

[afbjorklund]

The --container-runtime flag was deprecated in k8s 1.24, and removed in k8s 1.27

Add the extra unix:// prefix everywhere, and remove the redundant endpoint config.

Closes #16112

[afbjorklund]

/ok-to-test

[afbjorklund]

The code is now the same for all runtimes (using CRI), and should be refactored.

[afbjorklund]

Tested with ./out/minikube start --kubernetes-version=v1.27.0-beta.0 --preload=false

[minikube-pr-bot]

kvm2 driver with docker runtime

+----------------+----------+---------------------+
|    COMMAND     | MINIKUBE | MINIKUBE (PR 16124) |
+----------------+----------+---------------------+
| minikube start | 54.7s    | 57.1s               |
| enable ingress | 27.7s    | 28.2s               |
+----------------+----------+---------------------+

Times for minikube (PR 16124) start: 54.2s 58.6s 56.6s 59.6s 56.4s
Times for minikube start: 57.0s 53.5s 55.1s 54.8s 53.0s

Times for minikube ingress: 28.4s 29.3s 29.3s 25.8s 25.7s
Times for minikube (PR 16124) ingress: 25.3s 28.8s 28.7s 29.3s 28.8s

docker driver with docker runtime

+----------------+----------+---------------------+
|    COMMAND     | MINIKUBE | MINIKUBE (PR 16124) |
+----------------+----------+---------------------+
| minikube start | 26.6s    | 26.7s               |
| enable ingress | 28.3s    | 22.1s               |
+----------------+----------+---------------------+

Times for minikube start: 25.8s 26.0s 27.2s 27.2s 26.7s
Times for minikube (PR 16124) start: 26.5s 26.2s 27.5s 26.9s 26.7s

Times for minikube ingress: 22.6s 25.1s 22.1s 20.1s 51.6s
Times for minikube (PR 16124) ingress: 21.1s 22.1s 23.1s 22.1s 22.1s

docker driver with containerd runtime

+----------------+----------+---------------------+
|    COMMAND     | MINIKUBE | MINIKUBE (PR 16124) |
+----------------+----------+---------------------+
| minikube start | 22.9s    | 23.0s               |
| enable ingress | 35.4s    | 32.0s               |
+----------------+----------+---------------------+

Times for minikube ingress: 32.6s 32.6s 32.6s 47.6s 31.6s
Times for minikube (PR 16124) ingress: 32.6s 31.6s 31.6s 32.6s 31.6s

Times for minikube start: 22.7s 23.6s 23.0s 22.1s 23.1s
Times for minikube (PR 16124) start: 22.8s 23.1s 23.8s 22.3s 23.1s

[minikube-pr-bot]

These are the flake rates of all failed tests.

Environment	Failed Tests	Flake Rate (%)
KVM_Linux	TestNoKubernetes/serial/StartWithK8s (gopogh)	0.00 (chart)
KVM_Linux	TestNoKubernetes/serial/StartWithStopK8s (gopogh)	0.00 (chart)
Docker_Linux	TestMultiNode/serial/DeployApp2Nodes (gopogh)	100.00 (chart)
Docker_Linux	TestMultiNode/serial/PingHostFrom2Pods (gopogh)	100.00 (chart)
KVM_Linux_containerd	TestPreload (gopogh)	100.00 (chart)

To see the flake rates of all tests by environment, click here.

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: afbjorklund, medyagh

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[hritesh11]

after removing the from /var/lib/kubelet/kubeadm-flags.env, now its working

cat /var/lib/kubelet/kubeadm-flags.env
#KUBELET_KUBEADM_ARGS="--container-runtime=remote --container-runtime-endpoint=unix:///var/run/containerd/containerd.sock --pod-infra-container-image=registry.k8s.io/pause:3.8"
KUBELET_KUBEADM_ARGS=" --pod-infra-container-image=registry.k8s.io/pause:3.8"