Remove remnants of DHE support.

net/log/net_log_event_type_list.h

Index: net/log/net_log_event_type_list.h
diff --git a/net/log/net_log_event_type_list.h b/net/log/net_log_event_type_list.h
index d3dd7d98e79ce38a16833abadc042e2cc802e214..af64d3cc3b59645b8ba9ea60286d358e43c923d1 100644
--- a/net/log/net_log_event_type_list.h
+++ b/net/log/net_log_event_type_list.h
@@ -546,15 +546,6 @@ EVENT_TYPE(SSL_WRITE_ERROR)
 // logic in M56.
 EVENT_TYPE(SSL_VERSION_FALLBACK)
 
-// An SSL connection needs to be retried with more cipher suites because the
-// server may require a deprecated cipher suite. The following parameters are
-// attached to the event:
-//   {
-//     "host_and_port": <String encoding the host and port>,
-//     "net_error": <Net integer error code>,
-//   }
-EVENT_TYPE(SSL_CIPHER_FALLBACK)
-
 // We found that our prediction of the server's certificates was correct and
 // we merged the verification with the SSLHostInfo. (Note: now obsolete.)
 EVENT_TYPE(SSL_VERIFICATION_MERGED)