stat: remove debug statement

Signed-off-by: Jens Axboe <axboe@fb.com>

stat.c

diff --git a/stat.c b/stat.c
index 8c41914..7db4137 100644
--- a/stat.c
+++ b/stat.c
@@ -2246,7 +2246,6 @@
 	if (spent <= td->o.iops_avg_time)
 		return td->o.iops_avg_time;
 
-	printf("%lu over\n", spent - td->o.iops_avg_time);
 	return td->o.iops_avg_time - (1 + spent - td->o.iops_avg_time);
 }