fix netty version error

Author: HTHou

iotdb-core/metrics/interface/pom.xml

@@ -82,7 +82,6 @@
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-codec-http</artifactId>
-            <version>4.1.119.Final</version>
         </dependency>
         <dependency>
             <groupId>org.reactivestreams</groupId>