Update readme

Author: andrew-codechimp

README.md

@@ -10,9 +10,6 @@
 
 _Integration to add battery notes to a device, with automatic discovery via a growing battery library for devices_
 
-**Discovery and the Battery Library are currently in beta**  
-If you wish to try this version please go into HACS, select Battery Notes and in the top right menu choose Redownload, switch on Show Beta Versions and select the latest version (starts with 1.1)
-
 ![Battery Notes](https://github.com/andrew-codechimp/HA-Battery-Notes/blob/main/images/screenshot-device.png "Battery Notes")
 
 **This integration will set up the following platforms.**