Fix wrong dependency

App only required model, not the implementation.

Change-Id: If113b8684ad978ee03fc9fec8e07387c1a93e7bb
diff --git a/ecord/co/pom.xml b/ecord/co/pom.xml
index 9c29d48..ecca157 100644
--- a/ecord/co/pom.xml
+++ b/ecord/co/pom.xml
@@ -43,7 +43,7 @@
     <dependencies>
         <dependency>
             <groupId>org.onosproject</groupId>
-            <artifactId>onos-apps-optical</artifactId>
+            <artifactId>onos-apps-optical-model</artifactId>
             <version>${onos.version}</version>
         </dependency>
         <dependency>