Remove certs module from mbedtls.

Certs will be used only by tests and programs.

Signed-off-by: Mateusz Starzyk <mateusz.starzyk@mobica.com>
diff --git a/programs/fuzz/fuzz_server.c b/programs/fuzz/fuzz_server.c
index 014f386..16b800c 100644
--- a/programs/fuzz/fuzz_server.c
+++ b/programs/fuzz/fuzz_server.c
@@ -1,8 +1,8 @@
 #include "mbedtls/ssl.h"
 #include "mbedtls/entropy.h"
 #include "mbedtls/ctr_drbg.h"
-#include "mbedtls/certs.h"
 #include "mbedtls/ssl_ticket.h"
+#include "test/certs.h"
 #include "common.h"
 #include <string.h>
 #include <stdlib.h>