Cleanup unused Config struct in main
Cleanup unused Config struct in main

- Also add back accidentally removed BrokerDBName variable

Signed-off-by: Morgan Fine <ff226cf9a56a2ded3379575f0fca279769d9ed72@pivotal.io>

pivotal-cf-experimental/cf-mysql-quota-enforcer,pivotal-cf-experimental/cf-mysql-quota-enforcer