Remove obsolete TODO

Change-Id: I5b02f57615d4ab01efbf7199474ce4e43c6956b6
Reviewed-on: https://boringssl-review.googlesource.com/1994
Reviewed-by: Adam Langley <agl@google.com>
diff --git a/ssl/test/bssl_shim.cc b/ssl/test/bssl_shim.cc
index 5ee7c65..6b27e26 100644
--- a/ssl/test/bssl_shim.cc
+++ b/ssl/test/bssl_shim.cc
@@ -117,8 +117,6 @@
   if (config->advertise_npn.empty())
     return SSL_TLSEXT_ERR_NOACK;
 
-  // TODO(davidben): Support passing byte strings with NULs to the
-  // test shim.
   *out = (const uint8_t*)config->advertise_npn.data();
   *out_len = config->advertise_npn.size();
   return SSL_TLSEXT_ERR_OK;