Don't switch s->version on record-layer version mismatch.

At this point, has_version has been set and we may even have a non-null cipher.
Trying to assign meaning to the record-layer version number is not worth making
s->version's semantics even more complicated.

Change-Id: Ia1cf341cf7306eb48d2d11241316dc2116306968
Reviewed-on: https://boringssl-review.googlesource.com/4237
Reviewed-by: Adam Langley <agl@google.com>

ssl/s3_pkt.c

@@ -317,10 +317,6 @@ again:
 
     if (s->s3->have_version && version != s->version) {
       OPENSSL_PUT_ERROR(SSL, ssl3_get_record, SSL_R_WRONG_VERSION_NUMBER);
-      if ((s->version & 0xFF00) == (version & 0xFF00)) {
-        /* Send back error using their minor version number. */
-        s->version = (unsigned short)version;
-      }
       al = SSL_AD_PROTOCOL_VERSION;
       goto f_err;
     }