Update README.md

Author: mrniko

README.md

@@ -314,13 +314,5 @@ Include the following to your dependency list:
     <dependency>
      <groupId>com.corundumstudio.socketio</groupId>
      <artifactId>netty-socketio</artifactId>
-     <version>1.7.19</version>
+     <version>2.0.3</version>
     </dependency>
-    
-### Supported by
-
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