Remove petset documentations (#5395)

_data/concepts.yml

@@ -47,7 +47,6 @@ toc:
     - docs/concepts/workloads/controllers/replicationcontroller.md
     - docs/concepts/workloads/controllers/deployment.md
     - docs/concepts/workloads/controllers/statefulset.md
-    - docs/concepts/workloads/controllers/petset.md
     - docs/concepts/workloads/controllers/daemonset.md
     - docs/concepts/workloads/controllers/garbage-collection.md
     - docs/concepts/workloads/controllers/jobs-run-to-completion.md

_redirects

@@ -42,7 +42,7 @@
 /docs/api														/docs/concepts/overview/kubernetes-api		301
 
 /docs/concepts/abstractions/controllers/garbage-collection		/docs/concepts/workloads/controllers/garbage-collection		301
-/docs/concepts/abstractions/controllers/petsets					/docs/concepts/workloads/controllers/petset		301
+/docs/concepts/abstractions/controllers/petsets					/docs/concepts/workloads/controllers/statefulset		301
 /docs/concepts/abstractions/controllers/statefulsets			/docs/concepts/workloads/controllers/statefulset		301
 /docs/concepts/abstractions/init-containers						/docs/concepts/workloads/pods/init-containers		301
 /docs/concepts/abstractions/overview							/docs/concepts/overview/working-with-objects/kubernetes-objects		301
@@ -193,10 +193,12 @@
 /docs/user-guide/node-selection									/docs/concepts/configuration/assign-pod-node		301
 /docs/user-guide/persistent-volumes								/docs/concepts/storage/persistent-volumes		301
 /docs/user-guide/persistent-volumes/walkthrough					/docs/tasks/configure-pod-container/configure-persistent-volume-storage		301
-/docs/user-guide/petset											/docs/concepts/workloads/controllers/petset		301
-/docs/user-guide/petset/bootstrapping							/docs/concepts/workloads/controllers/petset		301
-/docs/user-guide/pod-preset										/docs/tasks/inject-data-application/podpreset		301
-/docs/user-guide/pod-security-policy							/docs/concepts/policy/pod-security-policy		301
+/docs/user-guide/petset											/docs/concepts/workloads/controllers/statefulset		301
+/docs/user-guide/petset/bootstrapping							/docs/concepts/workloads/controllers/statefulset		301
+/docs/abstractions/controllers/petset 							/docs/concepts/workloads/controllers/statefulset		301
+/docs/concepts/workloads/controllers/petsets 					/docs/concepts/workloads/controllers/statefulset		301
+/docs/user-guide/pod-preset/									/docs/tasks/inject-data-application/podpreset		301
+/docs/user-guide/pod-security-policy/							/docs/concepts/policy/pod-security-policy		301
 /docs/user-guide/pod-states										/docs/concepts/workloads/pods/pod-lifecycle		301
 /docs/user-guide/pod-templates									/docs/concepts/workloads/pods/pod-overview		301
 /docs/user-guide/pods											/docs/concepts/workloads/pods/pod		301