cleaning additional dir on voltha test node

Change-Id: I103558ef7d8f18192729ab5a17b1728a2f360a1c
diff --git a/jjb/pipeline/voltha-atest-provisioning.groovy b/jjb/pipeline/voltha-atest-provisioning.groovy
index d4a6cde..22da715 100755
--- a/jjb/pipeline/voltha-atest-provisioning.groovy
+++ b/jjb/pipeline/voltha-atest-provisioning.groovy
@@ -13,6 +13,7 @@
       steps {
         sh '''
         rm -rf $WORKSPACE/
+        sudo rm -rf /home/cord/cord*
         '''
       }
     }