Automatic update of nais application reference/example

liberator commit sha: 34ccd8c6d7798dfac5ea7b664f96126707aeb508

Author: tronghn

docs/persistence/kafka/reference/kafka-topic-example.md

@@ -18,7 +18,6 @@ For an in-depth explanation of each field, head over to the [reference documenta
 apiVersion: kafka.nais.io/v1
 kind: Topic
 metadata:
-  creationTimestamp: null
   labels:
     team: myteam
   name: mytopic

docs/workloads/application/reference/application-example.md

@@ -18,7 +18,6 @@ For an in-depth explanation of each field, head over to the [reference documenta
 apiVersion: nais.io/v1alpha1
 kind: Application
 metadata:
-  creationTimestamp: null
   labels:
     team: myteam
   name: myapplication

docs/workloads/job/reference/naisjob-example.md

@@ -18,7 +18,6 @@ For an in-depth explanation of each field, head over to the [reference documenta
 apiVersion: nais.io/v1
 kind: Naisjob
 metadata:
-  creationTimestamp: null
   labels:
     team: myteam
   name: myjob