Remove !td->o.read_io_log test that is always true

We test it further up.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/io_u.c b/io_u.c
index 0580f42..1077c27 100644
--- a/io_u.c
+++ b/io_u.c
@@ -329,7 +329,7 @@
 	/*
 	 * mark entry before potentially trimming io_u
 	 */
-	if (!td->o.read_iolog && td_random(td) && !td->o.norandommap)
+	if (td_random(td) && !td->o.norandommap)
 		mark_random_map(td, io_u);
 
 	/*