remove beta notice for queue-processor mode

Author: bwagner5

README.md

@@ -182,7 +182,6 @@ For a full list of configuration options see our [Helm readme](https://github.co
 <details closed>
 <summary>AWS Node Termination Handler - Queue Processor (requires AWS IAM Permissions)</summary>
 
-## NOTE: THIS FUNCTIONALITY IS CURRENTLY IN BETA
 <br>
 
 ### Infrastructure Setup