README.md in karafka-sidekiq-backend-1.4.7 vs README.md in karafka-sidekiq-backend-1.4.9

- old
+ new

@@ -2,10 +2,10 @@
 
 ## Deprecation notice
 
 This backend was designed to compensate for lack of multi-threading in Karafka. Karafka `2.0` **is** multi-threaded.
 
-We will **still** support it for Karafka `1.4` but it won't work with Karafka `2.0`.
+It is **no longer needed** and is **no longer** maintained.
 
 ## About
 
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