[chore] Remove internal helper, no need to have it

Signed-off-by: Bogdan Drutu <[email protected]>

exporter/exporterhelper/internal/retry_sender.go

@@ -96,7 +96,9 @@ func (rs *retrySender) Send(ctx context.Context, req internal.Request) error {
 			return fmt.Errorf("not retryable error: %w", err)
 		}
 
-		req = internal.ExtractPartialRequest(req, err)
+		if errReq, ok := req.(internal.RequestErrorHandler); ok {
+			req = errReq.OnError(err)
+		}
 
 		backoffDelay := expBackoff.NextBackOff()
 		if backoffDelay == backoff.Stop {

exporter/internal/request.go

@@ -31,12 +31,3 @@ type RequestErrorHandler interface {
 	// Otherwise, it should return the original Request.
 	OnError(error) Request
 }
-
-// extractPartialRequest returns a new Request that may contain the items left to be sent
-// if only some items failed to process and can be retried. Otherwise, it returns the original Request.
-func ExtractPartialRequest(req Request, err error) Request {
-	if errReq, ok := req.(RequestErrorHandler); ok {
-		return errReq.OnError(err)
-	}
-	return req
-}