en: Change the full link in the document to an inline link. (#17057)

* Change the full link in the document to an inline link.

grep -r "https \: \ / \ / kubernetes \ .io" content/en/docs
Changed to inline link except the following list.
- URLs are mentioned directly in the body
- release note
- url to blog
- url to community
- Url to be redirected

* Apply suggestions from code review

Co-Authored-By: June Yi <june.yi@samsung.com>

content/en/docs/concepts/configuration/pod-overhead.md

@@ -27,9 +27,9 @@ on top of the container requests & limits.
 ## Pod Overhead
 
 In Kubernetes, the pod's overhead is set at
-[admission](https://kubernetes.io/docs/reference/access-authn-authz/extensible-admission-controllers/#what-are-admission-webhooks)
+[admission](/docs/reference/access-authn-authz/extensible-admission-controllers/#what-are-admission-webhooks)
 time according to the overhead associated with the pod's
-[RuntimeClass](https://kubernetes.io/docs/concepts/containers/runtime-class/).
+[RuntimeClass](/docs/concepts/containers/runtime-class/).
 
 When Pod Overhead is enabled, the overhead is considered in addition to the sum of container
 resource requests when scheduling a pod. Similarly, Kubelet will include the pod overhead when sizing

content/en/docs/concepts/configuration/pod-priority-preemption.md

@@ -156,7 +156,7 @@ description: "This priority class should be used for XYZ service pods only."
 
 1.15 adds the `PreemptionPolicy` field as an alpha feature.
 It is disabled by default in 1.15,
-and requires the `NonPreemptingPriority`[feature gate](https://kubernetes.io/docs/reference/command-line-tools-reference/feature-gates/
+and requires the `NonPreemptingPriority`[feature gate](/docs/reference/command-line-tools-reference/feature-gates/
 ) to be enabled.
 
 Pods with `PreemptionPolicy: Never` will be placed in the scheduling queue