Remove unused "crypto_options_" field.

Remove unused "crypto_options_" field.

It is not used anywhere and looks like a leftover of
https://codereview.webrtc.org/2815513012/

BUG=None

Review-Url: https://codereview.webrtc.org/2958683002
Cr-Commit-Position: refs/heads/master@{#18760}
Committed: https://chromium.googlesource.com/external/webrtc/+/2f45b6b15fde30f3b48af8b2e4c7243646b65e49

[joachim, 2017-06-25 11:15:10]

jbauch@webrtc.org changed reviewers:
+ deadbeef@webrtc.org

[Taylor Brandstetter, 2017-06-26 10:34:29]

lgtm

[Taylor Brandstetter, 2017-06-26 10:34:35]

The CQ bit was checked by deadbeef@webrtc.org

[commit-bot: I haz the power, 2017-06-26 10:34:39]

CQ is trying da patch.

Follow status at:
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.webrtc.org/...

[commit-bot: I haz the power, 2017-06-26 11:07:53]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1498473275851430, "parent_rev":
"05e1f2e9aebce53b9622ab907e44c5a4a30709f8", "commit_rev":
"2f45b6b15fde30f3b48af8b2e4c7243646b65e49"}

[commit-bot: I haz the power, 2017-06-26 11:07:56]

Description was changed from

==========
Remove unused "crypto_options_" field.

It is not used anywhere and looks like a leftover of
https://codereview.webrtc.org/2815513012/

BUG=None
==========

to

==========
Remove unused "crypto_options_" field.

It is not used anywhere and looks like a leftover of
https://codereview.webrtc.org/2815513012/

BUG=None

Review-Url: https://codereview.webrtc.org/2958683002
Cr-Commit-Position: refs/heads/master@{#18760}
Committed:
https://chromium.googlesource.com/external/webrtc/+/2f45b6b15fde30f3b48af8b2e...
==========

[commit-bot: I haz the power, 2017-06-26 11:07:57]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/external/webrtc/+/2f45b6b15fde30f3b48af8b2e...