Remove uses_mongo redirection from service script

tools/scripts/ansible-tower-service

@@ -15,7 +15,7 @@ service_action() {
 
     # Should MongoDB be managed by this script?
     # We only manage MongoDB if the license uses it.
-    tower-manage uses_mongo > /dev/null 2> /dev/null
+    tower-manage uses_mongo
     if [ $? == 0 && ${1} == start ]; then
         SERVICES="$SERVICES mongod"
     elif [ $? == 0 && ${1} == stop ]; then