Printing output of setOnosLogLevels to facilitate debugging

Change-Id: I0cdbba6084206737f7d7fa7c46b833ffffb78824
diff --git a/vars/setOnosLogLevels.groovy b/vars/setOnosLogLevels.groovy
index b3281b9..5723d5c 100644
--- a/vars/setOnosLogLevels.groovy
+++ b/vars/setOnosLogLevels.groovy
@@ -21,19 +21,16 @@
     def instance = onosInstances.split('\n')[i]
       println "Setting log levels on ${instance}"
       sh """
-      set +x
       _TAG="onos-pf" bash -c "while true; do kubectl port-forward -n ${cfg.onosNamespace} ${instance} 8101; done"&
       """
 
       for (int j = 0; j < cfg.apps.size(); j++) {
         def app = cfg.apps[j]
         sh """
-        set +x
         sshpass -p karaf ssh -q -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -p 8101 karaf@localhost log:set ${cfg.logLevel} ${app}
         """
       }
       sh """
-        set +x
         ps e -ww -A | grep _TAG="onos-pf" | grep -v grep | awk '{print \$1}' | xargs --no-run-if-empty kill -9
       """
   }