default cassandra.yaml works for embedded mode too
diff --git a/conf/titan-embedded.properties b/conf/titan-embedded.properties
index ada3002..7a28afb 100644
--- a/conf/titan-embedded.properties
+++ b/conf/titan-embedded.properties
@@ -1,5 +1,5 @@
 storage.backend=embeddedcassandra
-storage.cassandra-config-dir=file:conf/cassandra-embedded.yaml
+storage.cassandra-config-dir=file:conf/cassandra.yaml
 storage.keyspace=onos
 storage.replication-factor=1
 storage.write-consistency-level=ALL