Remove the quarterly_volume_generator
Remove the quarterly_volume_generator

This was used by the API and has been replaced by direct calls to AWS
that will take place in the quarterly_volume, performance_platform
report

ministryofjustice/advocate-defence-payments,ministryofjustice/advocate-defence-payments,ministryofjustice/advocate-defence-payments,ministryofjustice/advocate-defence-payments