Remove SSLConfig::signed_cert_timestamps_enabled

Remove the SSLConfig flag to enable RFC 6962 support, since it's
always set to true.

BUG=none

Change-Id: I35c8002d3e4b68ed498f1707cd4c8f3d0ea66949
Reviewed-on: https://chromium-review.googlesource.com/993072
Commit-Queue: Ryan Sleevi <[email protected]>
Reviewed-by: David Benjamin <[email protected]>
Cr-Commit-Position: refs/heads/master@{#547809}
5 files changed