Add deletion of UNIs since they get pushed from ONOS

Change-Id: Ia94bc1d1b488458037fc8474478b5a6541c9bb6e
diff --git a/examples/reset-global b/examples/reset-global
index 1c8ec0e..586b0f0 100644
--- a/examples/reset-global
+++ b/examples/reset-global
@@ -13,6 +13,8 @@
 
 DELETE FROM vnaas_eline;
 
+DELETE FROM vnaas_usernetworkinterface;
+
 EOF
 
 echo Resetting onos_cord