Remove old committers from OWNERS.

Remove old committers from OWNERS.

shishir@ and dominich@ no longer work on Chrome and are not responsive
to review requests.

Remove them from OWNERS files.

BUG=
NOTRY=true

Committed: https://crrev.com/01fccd4fa6a78efe1ba4cd45588efcf869e26679
Cr-Commit-Position: refs/heads/master@{#302049}

[Adam Rice, 2014-10-30 06:20:45]

ricea@chromium.org changed reviewers:
+ thestig@chromium.org

[Lei Zhang, 2014-10-30 06:34:40]

Would you happen to know who else can be a predictor OWNER to replace the ones
being deleted?

[Lei Zhang, 2014-10-30 06:35:15]

Otherwise LGTM. Please add NOTRY=true to the commit msg.

[Adam Rice, 2014-10-30 07:38:59]

On 2014/10/30 06:34:40, Lei Zhang wrote:
> Would you happen to know who else can be a predictor OWNER to replace the ones
> being deleted?

I have no special knowledge, but based purely on the commit log, zhenw seems the
only likely candidate.

[Adam Rice, 2014-10-30 07:40:07]

The CQ bit was checked by ricea@chromium.org

[commit-bot: I haz the power, 2014-10-30 07:40:41]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/688793002/1

[commit-bot: I haz the power, 2014-10-30 07:41:10]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2014-10-30 07:41:52]

Patchset 1 (id:??) landed as
https://crrev.com/01fccd4fa6a78efe1ba4cd45588efcf869e26679
Cr-Commit-Position: refs/heads/master@{#302049}