Revert "[MM-8497] Ability to set Do Not Disturb for a specified period of time (#16067)" (#17657)

This reverts commit 77d42568f9.

store/opentracinglayer/opentracinglayer.go

@@ -7634,24 +7634,6 @@ func (s *OpenTracingLayerStatusStore) SaveOrUpdate(status *model.Status) error {
 	return err
 }
 
-func (s *OpenTracingLayerStatusStore) UpdateExpiredDNDStatuses() ([]*model.Status, error) {
-	origCtx := s.Root.Store.Context()
-	span, newCtx := tracing.StartSpanWithParentByContext(s.Root.Store.Context(), "StatusStore.UpdateExpiredDNDStatuses")
-	s.Root.Store.SetContext(newCtx)
-	defer func() {
-		s.Root.Store.SetContext(origCtx)
-	}()
-
-	defer span.Finish()
-	result, err := s.StatusStore.UpdateExpiredDNDStatuses()
-	if err != nil {
-		span.LogFields(spanlog.Error(err))
-		ext.Error.Set(span, true)
-	}
-
-	return result, err
-}
-
 func (s *OpenTracingLayerStatusStore) UpdateLastActivityAt(userID string, lastActivityAt int64) error {
 	origCtx := s.Root.Store.Context()
 	span, newCtx := tracing.StartSpanWithParentByContext(s.Root.Store.Context(), "StatusStore.UpdateLastActivityAt")