Remove cglib:cglib from dependency definition

fix gh-179

Author: kazuki43zoo

pom.xml

@@ -154,13 +154,6 @@
       <scope>test</scope>
     </dependency>
 
-    <dependency>
-      <groupId>cglib</groupId>
-      <artifactId>cglib</artifactId>
-      <version>3.2.4</version>
-      <scope>test</scope>
-    </dependency>
-
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>