Fix links to example YAMLs (#9680)

There are a few cases which were missed during previous effort on
consolidating all example YAML files. This PR fixes them all in the
English version.

Closes: #9674

content/en/docs/tasks/configure-pod-container/assign-pods-nodes.md

@@ -71,7 +71,7 @@ a `disktype=ssd` label.
    chosen node:
     
     ```shell
-    kubectl create -f https://k8s.io/docs/tasks/configure-pod-container/pod.yaml
+    kubectl create -f https://k8s.io/examples/pods/pod-nginx.yaml
     ```
 
 1. Verify that the pod is running on your chosen node:

content/en/docs/tasks/configure-pod-container/configure-volume-storage.md

@@ -38,7 +38,7 @@ restarts. Here is the configuration file for the Pod:
 1. Create the Pod:
 
     ```shell
-    kubectl create -f https://k8s.io/docs/tasks/configure-pod-container/pod-redis.yaml
+    kubectl create -f https://k8s.io/examples/pods/storage/redis.yaml
     ```
 
 1. Verify that the Pod's Container is running, and then watch for changes to