Update outdated files partly in dev-1.15-ko.4

[gochist]

It fixes_ partly #15745

need to be compared with dev-1.15-ko.3

1. content/en/docs/concepts/containers/images.md 1 file changed, 5 insertions(+), 6 deletions(-)
2. content/en/docs/concepts/workloads/pods/init-containers.md 1 file changed, 1 insertion(+), 1 deletion(-) - already done
3. content/en/docs/concepts/workloads/pods/pod-overview.md 1 file changed, 1 insertion(+), 1 deletion(-)
4. content/en/docs/concepts/workloads/pods/pod.md 1 file changed, 1 insertion(+), 1 deletion(-)
5. content/en/docs/reference/glossary/device-plugin.md 1 file changed, 2 insertions(+), 2 deletions(-)
6. content/en/docs/reference/glossary/kube-proxy.md 1 file changed, 12 insertions(+), 9 deletions(-)
7. content/en/docs/reference/using-api/api-overview.md 1 file changed, 1 insertion(+), 1 deletion(-)
8. content/en/docs/setup/learning-environment/minikube.md 1 file changed, 2 insertions(+), 4 deletions(-)
9. content/en/docs/setup/production-environment/container-runtimes.md 1 file changed, 1 insertion(+), 1 deletion(-)
10. content/en/docs/tasks/debug-application-cluster/resource-usage-monitoring.md 1 file changed, 1 insertion(+), 1 deletion(-)
11. content/en/docs/tasks/manage-kubernetes-objects/declarative-config.md 1 file changed, 1 insertion(+), 1 deletion(-)
12. content/en/docs/tasks/run-application/horizontal-pod-autoscale-walkthrough.md 1 file changed, 1 insertion(+), 1 deletion(-)
13. content/en/docs/tutorials/configuration/configure-redis-using-configmap.md 1 file changed, 5 insertions(+)
14. content/en/docs/tutorials/online-training/overview.md 1 file changed, 2 insertions(+)

[netlify]

Deploy preview for k8s-dev-ko ready!

Built with commit 1e2c2a4

https://deploy-preview-15856--k8s-dev-ko.netlify.com

[netlify]

Deploy preview for k8s-dev-ko ready!

Built with commit d40a4c2

https://deploy-preview-15856--k8s-dev-ko.netlify.com

[netlify]

Deploy preview for k8s-dev-ko ready!

Built with commit 2a9e57e

https://deploy-preview-15856--k8s-dev-ko.netlify.com

[xiangpengzhao]

/assign @claudiajkang
for reviewing and approval

[xiangpengzhao]

/assign @seokho-son
ping @longlg88

[seokho-son]

@gochist 감사합니다 !!
/lgtm
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: seokho-son

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• content/ko/OWNERS [seokho-son]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment