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>
diff --git a/ssl/internal.h b/ssl/internal.h
index 08ccd07..1802610 100644
--- a/ssl/internal.h
+++ b/ssl/internal.h
@@ -171,8 +171,7 @@
 #define SSL_kECDHE 0x00000004L
 /* SSL_kPSK is only set for plain PSK, not ECDHE_PSK. */
 #define SSL_kPSK 0x00000008L
-#define SSL_kCECPQ1 0x00000010L
-#define SSL_kGENERIC 0x00000020L
+#define SSL_kGENERIC 0x00000010L
 
 /* Bits for |algorithm_auth| (server authentication). */
 #define SSL_aRSA 0x00000001L
@@ -617,9 +616,6 @@
  * where the server specifies a group. It takes ownership of |params|. */
 void SSL_ECDH_CTX_init_for_dhe(SSL_ECDH_CTX *ctx, DH *params);
 
-/* SSL_ECDH_CTX_init_for_cecpq1 sets up |ctx| for use with CECPQ1. */
-void SSL_ECDH_CTX_init_for_cecpq1(SSL_ECDH_CTX *ctx);
-
 /* SSL_ECDH_CTX_cleanup releases memory associated with |ctx|. It is legal to
  * call it in the zero state. */
 void SSL_ECDH_CTX_cleanup(SSL_ECDH_CTX *ctx);