Upgrade version of STC tool

Change-Id: I1b4023d555e91a817d3c55d3bc7800d855e3d1ca
diff --git a/tools/test/scenarios/net-teardown.xml b/tools/test/scenarios/net-teardown.xml
index 9b4c309..f4777ac 100644
--- a/tools/test/scenarios/net-teardown.xml
+++ b/tools/test/scenarios/net-teardown.xml
@@ -17,6 +17,8 @@
     <group name="Net-Teardown">
         <step name="Stop-Mininet" exec="onos-mininet stop"/>
         <step name="Cleanup-Mininet" exec="onos-mininet cleanup" requires="~Stop-Mininet"/>
-        <XXXstep name="Wipe-Out-Data-After" requires="~Stop-Mininet" exec="onos-wipe-out"/>
+        <!--
+        <step name="Wipe-Out-Data-After" requires="~Stop-Mininet" exec="onos-wipe-out"/>
+        -->
     </group>
 </scenario>
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