remove some questionable retry logic in broker
remove some questionable retry logic in broker

aeroevan/pykafka,yungchin/pykafka,wikimedia/operations-debs-python-pykafka,thedrow/samsa,benauthor/pykafka,wikimedia/operations-debs-python-pykafka,aeroevan/pykafka,thedrow/samsa,benauthor/pykafka,fortime/pykafka,appsoma/pykafka,tempbottle/pykafka,sammerry/pykafka,jofusa/pykafka,fortime/pykafka,vortec/pykafka,tempbottle/pykafka,sontek/pykafka,wikimedia/operations-debs-python-pykafka,thedrow/samsa,sontek/pykafka,vortec/pykafka,benauthor/pykafka,sammerry/pykafka,jofusa/pykafka,appsoma/pykafka,yungchin/pykafka