Remove netty-transport-native-epoll dependency

Removed netty-transport-native-epoll dependency.

Author: heoelri

pom.xml

@@ -1427,11 +1427,6 @@
                     </exclusion>
                 </exclusions>
             </dependency>
-            <dependency>
-                <groupId>io.netty</groupId>
-                <artifactId>netty-transport-native-epoll</artifactId>
-                <version>${netty4.version}</version>
-            </dependency>
             <dependency>
                 <groupId>org.codehaus.woodstox</groupId>
                 <artifactId>stax2-api</artifactId>