Remove CECPQ1 (experimental post-quantum key agreement).

Change-Id: Ie947ab176d10feb709c6e135d5241c6cf605b8e8
Reviewed-on: https://boringssl-review.googlesource.com/12700
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>

fuzz/client.cc

diff --git a/fuzz/client.cc b/fuzz/client.cc
index bd0d8fa..35b122e 100644
--- a/fuzz/client.cc
+++ b/fuzz/client.cc
@@ -277,7 +277,7 @@
   SSL_set_alpn_protos(client, kALPNProtocols, sizeof(kALPNProtocols));
 
   // Enable ciphers that are off by default.
-  SSL_set_cipher_list(client, "ALL:kCECPQ1:NULL-SHA");
+  SSL_set_cipher_list(client, "ALL:NULL-SHA");
 
   BIO_write(in, buf, len);
   if (SSL_do_handshake(client) == 1) {

fuzz/server.cc

diff --git a/fuzz/server.cc b/fuzz/server.cc
index 82affbc..7cee0c7 100644
--- a/fuzz/server.cc
+++ b/fuzz/server.cc
@@ -272,7 +272,7 @@
   SSL_set_tls_channel_id_enabled(server, 1);
 
   // Enable ciphers that are off by default.
-  SSL_set_cipher_list(server, "ALL:kCECPQ1:NULL-SHA");
+  SSL_set_cipher_list(server, "ALL:NULL-SHA");
 
   DH *dh = DH_get_1024_160(nullptr);
   SSL_set_tmp_dh(server, dh);