since we default to an empty hash, no need to check before we iterate through it
since we default to an empty hash, no need to check before we iterate through it

joekiller/logstash-kafka,opentable/logstash-kafka,tinglinux/logstash-kafka,opentable/logstash-kafka,joekiller/logstash-kafka,tinglinux/logstash-kafka,Aloomaio/logstash-kafka,Aloomaio/logstash-kafka