Benchmark: not using private fields anymore

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/programs/test/benchmark.c b/programs/test/benchmark.c
index 152e073..0861d0f 100644
--- a/programs/test/benchmark.c
+++ b/programs/test/benchmark.c
@@ -5,8 +5,6 @@
  *  SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
  */
 
-#define MBEDTLS_ALLOW_PRIVATE_ACCESS
-
 #include "mbedtls/build_info.h"
 
 #include "mbedtls/platform.h"