Remove OPENSSL_NO_TLS1_2_CLIENT and OPENSSL_NO_DTLS1.

Get those out of the way.

Change-Id: Ia1be476e383fc90c2373a24a072944fe377da6ef
Reviewed-on: https://boringssl-review.googlesource.com/1820
Reviewed-by: Adam Langley <agl@google.com>
2 files changed