Remove stale information about apiVersion.

Author: miteshskj

content/en/docs/concepts/workloads/controllers/replicaset.md

@@ -223,8 +223,6 @@ In this manner, a ReplicaSet can own a non-homogenous set of Pods
 
 As with all other Kubernetes API objects, a ReplicaSet needs the `apiVersion`, `kind`, and `metadata` fields.
 For ReplicaSets, the `kind` is always a ReplicaSet.
-The API version `apps/v1` on the ReplicaSet kind is the current version and is enabled by default.
-Refer to the first lines of the `frontend.yaml` example for guidance.
 
 The name of a ReplicaSet object must be a valid
 [DNS subdomain name](/docs/concepts/overview/working-with-objects/names#dns-subdomain-names).