Cleaning up uber-javadocs.

Change-Id: I852451a0fbfb704df407e14197a3d860fc780d67
diff --git a/docs/external-excludes b/docs/external-excludes
index d941138..e415bb9 100644
--- a/docs/external-excludes
+++ b/docs/external-excludes
@@ -88,4 +88,5 @@
 org.onosproject.newoptical*
 org.onosproject.yangutils.parser.antlrgencode
 org.onosproject.yangutils.*
+org.onosproject.flow*
 org.onosproject.checkstyle