The TLS 1.3 variants got renumbered (and many dropped).

Change-Id: I75f63e7188bb22eb115e7f4393e67dc696c013c5
Reviewed-on: https://boringssl-review.googlesource.com/24246
Reviewed-by: Steven Valdez <svaldez@google.com>
Commit-Queue: Steven Valdez <svaldez@google.com>

Change-Id: Ie5055d6d1d33690f27cdd978a0aa696307880579
Reviewed-on: https://boringssl-review.googlesource.com/22964
Reviewed-by: Steven Valdez <svaldez@chromium.org>
Reviewed-by: David Benjamin <davidben@google.com>