Pruned duplicate dependencies and plugins from several core related pom.xml files.
diff --git a/core/json/src/main/java/org/onlab/onos/json/impl/DeleteMe.java b/core/json/src/main/java/org/onlab/onos/json/impl/DeleteMe.java
new file mode 100644
index 0000000..d89f31b
--- /dev/null
+++ b/core/json/src/main/java/org/onlab/onos/json/impl/DeleteMe.java
@@ -0,0 +1,7 @@
+package org.onlab.onos.json.impl;
+
+/**
+ * Created by tom on 10/16/14.
+ */
+public class DeleteMe {
+}