The ios map populated by seq_io.bt is never read, so remove it.

Signed-off-by: Caleb Sander Mateos <csander@purestorage.com>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
---
 tools/testing/selftests/ublk/trace/seq_io.bt | 1 -
 1 file changed, 1 deletion(-)

diff --git a/tools/testing/selftests/ublk/trace/seq_io.bt b/tools/testing/selftests/ublk/trace/seq_io.bt
index 507a3ca05abf..b2f60a92b118 100644
--- a/tools/testing/selftests/ublk/trace/seq_io.bt
+++ b/tools/testing/selftests/ublk/trace/seq_io.bt
@@ -15,11 +15,10 @@ tracepoint:block:block_rq_complete
 			printf("io_out_of_order: exp %llu actual %llu\n",
 				args.sector, $last);
 		}
 		@last_rw[$dev, str($2)] = (args.sector + args.nr_sector);
 	}
-	@ios = count();
 }
 
 END {
 	clear(@last_rw);
 }
-- 
2.45.2