Revert "relay: fix splice problem"

This reverts commit c3270e577c18b3d0e984c3371493205a4807db9d.
diff --git a/kernel/relay.c b/kernel/relay.c
index 7de644c..bc24dcd 100644
--- a/kernel/relay.c
+++ b/kernel/relay.c
@@ -1191,7 +1191,7 @@
 	ret = 0;
 	spliced = 0;
 
-	while (len && !spliced) {
+	while (len) {
 		ret = subbuf_splice_actor(in, ppos, pipe, len, flags, &nonpad_ret);
 		if (ret < 0)
 			break;