remove backfill task configuration, active poll results pull tasks
remove backfill task configuration, active poll results pull tasks

xkmato/ureport,xkmato/ureport,Ilhasoft/ureport,Ilhasoft/ureport,xkmato/ureport,Ilhasoft/ureport,rapidpro/ureport,rapidpro/ureport,rapidpro/ureport,Ilhasoft/ureport,rapidpro/ureport