remove RNG parameters from SSL API's

Signed-off-by: Ben Taylor <ben.taylor@linaro.org>
diff --git a/programs/fuzz/fuzz_dtlsserver.c b/programs/fuzz/fuzz_dtlsserver.c
index c2dbef8..d215f7a 100644
--- a/programs/fuzz/fuzz_dtlsserver.c
+++ b/programs/fuzz/fuzz_dtlsserver.c
@@ -108,7 +108,7 @@
     }
 #endif
 
-    if (mbedtls_ssl_cookie_setup(&cookie_ctx, dummy_random, &ctr_drbg) != 0) {
+    if (mbedtls_ssl_cookie_setup(&cookie_ctx) != 0) {
         goto exit;
     }