Correct outdated comments

Change-Id: Idc3a41d025fefa9017fce108bed63cb8af426c9b
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/35244
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: David Benjamin <davidben@google.com>

ssl/ssl_cert.cc

diff --git a/ssl/ssl_cert.cc b/ssl/ssl_cert.cc
index 1b01e7f..54df38f 100644
--- a/ssl/ssl_cert.cc
+++ b/ssl/ssl_cert.cc
@@ -804,9 +804,7 @@
 
 // ssl_can_serve_dc returns true if the host has configured a DC that it can
 // serve in the handshake. Specifically, it checks that a DC has been
-// configured, that the DC protocol version is the same as the negotiated
-// protocol version, and that the DC signature algorithm is supported by the
-// peer.
+// configured and that the DC signature algorithm is supported by the peer.
 static bool ssl_can_serve_dc(const SSL_HANDSHAKE *hs) {
   // Check that a DC has been configured.
   const CERT *cert = hs->config->cert.get();