Remove dated reference

Author: rjeberhard

README.md

@@ -24,11 +24,6 @@ You can:
 
 The fastest way to experience the operator is to follow the [Quick Start guide](https://oracle.github.io/weblogic-kubernetes-operator/quickstart/), or you can peruse our [documentation](https://oracle.github.io/weblogic-kubernetes-operator), read our [blogs](https://blogs.oracle.com/weblogicserver/how-to-weblogic-server-on-kubernetes), or try out the [samples](https://oracle.github.io/weblogic-kubernetes-operator/samples/).
 
-***
-The [current release of the operator](https://github.com/oracle/weblogic-kubernetes-operator/releases) is 3.4.7.
-This release was published on April 7, 2023.
-***
-
 ## Documentation
 
 Documentation for the operator is [available here](https://oracle.github.io/weblogic-kubernetes-operator).