Remove the last of the TLS fallback code.

net/ssl/openssl_ssl_util.cc

Index: net/ssl/openssl_ssl_util.cc
diff --git a/net/ssl/openssl_ssl_util.cc b/net/ssl/openssl_ssl_util.cc
index 3e3ea8bd958c7a5fc9ddd25030542f9fa6c3309f..6387ef9ed6b3dbb284cca59093481cb1360ab746 100644
--- a/net/ssl/openssl_ssl_util.cc
+++ b/net/ssl/openssl_ssl_util.cc
@@ -98,8 +98,6 @@ int MapOpenSSLErrorSSL(uint32_t error_code) {
       // The only way that the certificate verify callback can fail is if
       // the leaf certificate changed during a renegotiation.
       return ERR_SSL_SERVER_CERT_CHANGED;
-    case SSL_R_TLSV1_ALERT_INAPPROPRIATE_FALLBACK:
-      return ERR_SSL_INAPPROPRIATE_FALLBACK;
     // SSL_R_SSLV3_ALERT_HANDSHAKE_FAILURE may be returned from the server after
     // receiving ClientHello if there's no common supported cipher. Map that
     // specific case to ERR_SSL_VERSION_OR_CIPHER_MISMATCH to match the NSS