Remove redeclared variable `QUIT`
Remove redeclared variable `QUIT`

The above `QUIT` is not used.
josiahcarlson/redis-in-action,josiahcarlson/redis-in-action,josiahcarlson/redis-in-action,josiahcarlson/redis-in-action,josiahcarlson/redis-in-action,josiahcarlson/redis-in-action