Remove beta notice

Author: felixbarny

README.md

@@ -5,12 +5,6 @@
 
 Centralized logging for Java applications with the Elastic stack made easy
 
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-**Please note** This library is in **beta**. Backward-incompatible changes might be introduced in future releases while the major version is zero (0.x.x).
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 ## Release announcements
 
 To get notified about new releases, watch this repository for `Releases only`.