ONOS-1329: Migrate Codec related code to onos-core-common bundle

- removed unused dependency to onos-core-trivial tests

Change-Id: I0f13cff6cc99403f7c0e0d7362f83d0ba557f10b
diff --git a/pom.xml b/pom.xml
index 3005cea..35439d9 100644
--- a/pom.xml
+++ b/pom.xml
@@ -335,6 +335,13 @@
                 <artifactId>onos-core-common</artifactId>
                 <version>${project.version}</version>
             </dependency>
+            <dependency>
+                <groupId>org.onosproject</groupId>
+                <artifactId>onos-core-common</artifactId>
+                <version>${project.version}</version>
+                <classifier>tests</classifier>
+                <scope>test</scope>
+            </dependency>
 
             <dependency>
                 <groupId>org.onosproject</groupId>