Remove announcer pod if present

Change-Id: I677a4e13b5de907a0bf6e964ccedbd56ff811204
diff --git a/jjb/pipeline/voltha-physical-functional-tests.groovy b/jjb/pipeline/voltha-physical-functional-tests.groovy
index f428b3c..23b01c9 100644
--- a/jjb/pipeline/voltha-physical-functional-tests.groovy
+++ b/jjb/pipeline/voltha-physical-functional-tests.groovy
@@ -137,6 +137,9 @@
 
       sleep 60 # Wait for log-collector and log-combine to complete
 
+      # Clean up "announcer" pod used by the tests if present
+      kubectl delete pod announcer || true
+
       ## Pull out errors from log files
       extract_errors_go() {
         echo