fixed redundent debug statements (#272)

* fixed redundent debug statements
Co-authored-by: acud <12988138+acud@users.noreply.github.com>

pkg/pusher/pusher.go

@@ -96,7 +96,7 @@ func (s *Service) chunksWorker() {
 			// for now ignoring the receipt and checking only for error
 			_, err = s.pushSyncer.PushChunkToClosest(ctx, ch)
 			if err != nil {
-				s.logger.Errorf("pusher: error while sending chunk or receiving receipt: %v", err)
+				s.logger.Debugf("pusher: error while sending chunk or receiving receipt: %v", err)
 				continue
 			}