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/tests/suites/test_suite_ssl.function b/tests/suites/test_suite_ssl.function
index f377ffa..2cc21cf 100644
--- a/tests/suites/test_suite_ssl.function
+++ b/tests/suites/test_suite_ssl.function
@@ -3,10 +3,10 @@
 #include <mbedtls/ssl_internal.h>
 #include <mbedtls/ctr_drbg.h>
 #include <mbedtls/entropy.h>
-#include <mbedtls/certs.h>
 #include <mbedtls/timing.h>
 #include <mbedtls/debug.h>
 #include <ssl_tls13_keys.h>
+#include "test/certs.h"
 
 #include <ssl_invasive.h>