Remove unused histograms

Remove unused histograms

Remove histograms used for tracking Linux/ChromeOS OCSP and CRL success
rates.

BUG=614106, 642286
Review-Url: https://codereview.chromium.org/2831393004
Cr-Commit-Position: refs/heads/master@{#466512}
Committed: https://chromium.googlesource.com/chromium/src/+/b895b796ee38469212557eb5ca1b7f8ab970cb09

[Ryan Sleevi, 2017-04-21 21:09:45]

rsleevi@chromium.org changed reviewers:
+ eroman@chromium.org, isherman@chromium.org

[Ryan Sleevi, 2017-04-21 21:09:45]

Eric, Ilya: Everyone loves deleting code, right? :D

[eroman, 2017-04-21 21:32:22]

lgtm

[Ilya Sherman, 2017-04-21 21:58:30]

LGTM, thanks!

[Ryan Sleevi, 2017-04-21 23:04:32]

The CQ bit was checked by rsleevi@chromium.org

[commit-bot: I haz the power, 2017-04-21 23:05:14]

CQ is trying da patch.

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

[commit-bot: I haz the power, 2017-04-22 00:40:06]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1492815872755240, "parent_rev":
"45ccc6e4217655e9f21e6257062c6e5b82bc22da", "commit_rev":
"b895b796ee38469212557eb5ca1b7f8ab970cb09"}

[commit-bot: I haz the power, 2017-04-22 00:40:57]

Description was changed from

==========
Remove unused histograms

Remove histograms used for tracking Linux/ChromeOS OCSP and CRL success
rates.

BUG=614106, 642286
==========

to

==========
Remove unused histograms

Remove histograms used for tracking Linux/ChromeOS OCSP and CRL success
rates.

BUG=614106, 642286

Review-Url: https://codereview.chromium.org/2831393004
Cr-Commit-Position: refs/heads/master@{#466512}
Committed:
https://chromium.googlesource.com/chromium/src/+/b895b796ee38469212557eb5ca1b...
==========

[commit-bot: I haz the power, 2017-04-22 00:40:58]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/b895b796ee38469212557eb5ca1b...