fix boomerang buckets not being removed
fix boomerang buckets not being removed

shirishgoyal/crowdsource-platform,shirishgoyal/crowdsource-platform,crowdresearch/crowdsource-platform,shirishgoyal/crowdsource-platform,crowdresearch/crowdsource-platform,crowdresearch/crowdsource-platform,crowdresearch/daemo,shirishgoyal/crowdsource-platform,crowdresearch/daemo,crowdresearch/daemo,crowdresearch/daemo,crowdresearch/crowdsource-platform