Update kubelet-config-file.md

the commas caused kubelet service to fail to start. should be omitted.

Author: bhangra

content/en/docs/tasks/administer-cluster/kubelet-config-file.md

@@ -30,9 +30,9 @@ Here is an example of what this file might look like:
 ```
 apiVersion: kubelet.config.k8s.io/v1beta1
 kind: KubeletConfiguration
-address: "192.168.0.8",
-port: 20250,
-serializeImagePulls: false,
+address: "192.168.0.8"
+port: 20250
+serializeImagePulls: false
 evictionHard:
     memory.available:  "200Mi"
 ```