Remove debug loglevel from gunicorn staging config
Remove debug loglevel from gunicorn staging config

This log level only affects gunicorn itself (not django or hyperbola)
and winds up spamming the log file with messages about workers. The
current staging.error log file is 700MB.

lopopolo/hyperbola,lopopolo/hyperbola,lopopolo/hyperbola,lopopolo/hyperbola