Remove release notes and point toward GitHub release notes

Author: rjeberhard

README.md

@@ -31,8 +31,6 @@ Documentation for the operator is [available here](https://oracle.github.io/webl
 This documentation includes information for users and for developers.  It provides samples, reference material, security
 information and a [Quick Start](https://oracle.github.io/weblogic-kubernetes-operator/quickstart/) guide if you just want to get up and running quickly.
 
-Documentation for prior releases of the operator: [2.5.0](https://oracle.github.io/weblogic-kubernetes-operator/2.5/), [2.6.0](https://oracle.github.io/weblogic-kubernetes-operator/2.6/), [3.0.x](https://oracle.github.io/weblogic-kubernetes-operator/3.0/), [3.1.x](https://oracle.github.io/weblogic-kubernetes-operator/3.1/), [3.2.x](https://oracle.github.io/weblogic-kubernetes-operator/3.2/), and [3.3.x](https://oracle.github.io/weblogic-kubernetes-operator/3.3/).
-
 ## Backward compatibility guidelines
 
 The 2.0 release introduced some breaking changes and did not maintain compatibility with previous releases.

documentation/site/content/_index.md

@@ -31,13 +31,13 @@ using the operator to deploy and run a WebLogic domain container-packaged web ap
 #### Current production release
 
 The [current release of the operator](https://github.com/oracle/weblogic-kubernetes-operator/releases) is {{< latestVersion >}}.
-This release was published on April 7, 2023. See the [operator prerequisites]({{< relref "/userguide/prerequisites/introduction.md" >}}) and [supported environments]({{< relref "/userguide/platforms/environments.md" >}}).
+See the [operator prerequisites]({{< relref "/userguide/prerequisites/introduction.md" >}}) and [supported environments]({{< relref "/userguide/platforms/environments.md" >}}).
 
 ***
 
 #### Recent changes and known issues
 
-See the [Release Notes]({{< relref "release-notes.md" >}})  for recent changes to the operator and known issues.
+See the [Releases](https://github.com/oracle/weblogic-kubernetes-operator/releases) page for operator release notes and known issues.
 
 #### Backward compatibility guidelines