Remove SSL_get_client_certificate_types.

Chromium is no longer using it.

Change-Id: If56340627d2024ff3fb8561405dd0cfc6f4787cb
Reviewed-on: https://boringssl-review.googlesource.com/1346
Reviewed-by: Adam Langley <agl@google.com>

include/openssl/ssl.h

diff --git a/include/openssl/ssl.h b/include/openssl/ssl.h
index 3505581..550361c 100644
--- a/include/openssl/ssl.h
+++ b/include/openssl/ssl.h
@@ -2171,10 +2171,6 @@
 int SSL_add_client_CA(SSL *ssl,X509 *x);
 int SSL_CTX_add_client_CA(SSL_CTX *ctx,X509 *x);
 
-/* Deprecated. Use SSL_get0_certificate_types instead. */
-void SSL_get_client_certificate_types(const SSL *s, const unsigned char **ctype,
-	size_t *ctype_num);
-
 void SSL_set_connect_state(SSL *s);
 void SSL_set_accept_state(SSL *s);
 

ssl/ssl_cert.c

diff --git a/ssl/ssl_cert.c b/ssl/ssl_cert.c
index 664db9d..c3994c4 100644
--- a/ssl/ssl_cert.c
+++ b/ssl/ssl_cert.c
@@ -795,14 +795,6 @@
 	return(add_client_CA(&(ctx->client_CA),x));
 	}
 
-void SSL_get_client_certificate_types(const SSL *s, const unsigned char **ctype,
-	size_t *ctype_num)
-	{
-	/* TODO(fork): Remove this function once Chromium is updated
-	 * to use the new one. */
-	*ctype_num = SSL_get0_certificate_types((SSL*)s, ctype);
-	}
-
 static int xname_cmp(const X509_NAME **a, const X509_NAME **b)
 	{
 	return(X509_NAME_cmp(*a,*b));