Remove a few unnecessary SSL3_ENC_METHOD hooks.

As things stand now, they don't actually do anything.

Change-Id: I9f8b4cbf38a0dffabfc5265805c52bb8d7a8fb0d
Reviewed-on: https://boringssl-review.googlesource.com/6837
Reviewed-by: Adam Langley <alangley@gmail.com>
diff --git a/ssl/t1_enc.c b/ssl/t1_enc.c
index 8c4b6d8..92a8489 100644
--- a/ssl/t1_enc.c
+++ b/ssl/t1_enc.c
@@ -513,12 +513,11 @@
   return SSL3_MASTER_SECRET_SIZE;
 }
 
-int tls1_export_keying_material(SSL *ssl, uint8_t *out, size_t out_len,
-                                const char *label, size_t label_len,
-                                const uint8_t *context, size_t context_len,
-                                int use_context) {
+int SSL_export_keying_material(SSL *ssl, uint8_t *out, size_t out_len,
+                               const char *label, size_t label_len,
+                               const uint8_t *context, size_t context_len,
+                               int use_context) {
   if (!ssl->s3->have_version || ssl->version == SSL3_VERSION) {
-    OPENSSL_PUT_ERROR(SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
     return 0;
   }