depot_tools: remove code for --trybot-json

depot_tools: remove code for --trybot-json

It was added in https://codereview.chromium.org/112503005
for https://bugs.chromium.org/p/chromium/issues/detail?id=278558 ,
but we ended up implementing the functionality in different way.

BUG=583578
Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=299433

[Paweł Hajdan Jr., 2016-03-22 16:13:53]

phajdan.jr@chromium.org changed reviewers:
+ sergiyb@chromium.org, tandrii@chromium.org

[Paweł Hajdan Jr., 2016-03-22 16:14:42]

The CQ bit was checked by phajdan.jr@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-03-22 16:14:47]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1825063003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1825063003/1

[commit-bot: I haz the power, 2016-03-22 16:17:18]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-03-22 16:17:19]

Dry run: This issue passed the CQ dry run.

[Sergiy Byelozyorov, 2016-03-23 09:48:49]

lgtm

[Paweł Hajdan Jr., 2016-03-23 09:50:29]

The CQ bit was checked by phajdan.jr@chromium.org

[commit-bot: I haz the power, 2016-03-23 09:50:35]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1825063003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1825063003/1

[commit-bot: I haz the power, 2016-03-23 09:52:52]

Description was changed from

==========
depot_tools: remove code for --trybot-json

It was added in https://codereview.chromium.org/112503005
for https://bugs.chromium.org/p/chromium/issues/detail?id=278558 ,
but we ended up implementing the functionality in different way.

BUG=583578
==========

to

==========
depot_tools: remove code for --trybot-json

It was added in https://codereview.chromium.org/112503005
for https://bugs.chromium.org/p/chromium/issues/detail?id=278558 ,
but we ended up implementing the functionality in different way.

BUG=583578

Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=299433
==========

[commit-bot: I haz the power, 2016-03-23 09:52:53]

Committed patchset #1 (id:1) as
http://src.chromium.org/viewvc/chrome?view=rev&revision=299433