Remove webkitpy code to roll Chromium DEPS
https://bugs.webkit.org/show_bug.cgi?id=114415

Reviewed by Benjamin Poulain.

Removed the code to roll Chromium DEPS in WebKit.

* Scripts/webkitpy/common/checkout/checkout.py:
(Checkout.bug_id_for_this_commit):
* Scripts/webkitpy/common/checkout/checkout_mock.py:
(MockCheckout.commit_message_for_this_commit):
* Scripts/webkitpy/common/checkout/checkout_unittest.py:
(CheckoutTest.test_suggested_reviewers):
* Scripts/webkitpy/common/checkout/deps.py: Removed.
* Scripts/webkitpy/common/checkout/deps_mock.py: Removed.
* Scripts/webkitpy/tool/bot/irc_command.py:
(RollChromiumDEPS): Teach webkitbot a sense of humor.
(RollChromiumDEPS.execute):
* Scripts/webkitpy/tool/bot/irc_command_unittest.py:
(IRCCommandTest.test_create_bug):
* Scripts/webkitpy/tool/bot/ircbot_unittest.py:
(IRCBotTest.test_revert):
* Scripts/webkitpy/tool/bot/sheriff.py:
(Sheriff.post_rollout_patch):
* Scripts/webkitpy/tool/commands/__init__.py:
* Scripts/webkitpy/tool/commands/roll.py: Removed.
* Scripts/webkitpy/tool/commands/roll_unittest.py: Removed.
* Scripts/webkitpy/tool/steps/__init__.py:
* Scripts/webkitpy/tool/steps/preparechangelogfordepsroll.py: Removed.
* Scripts/webkitpy/tool/steps/updatechromiumdeps.py: Removed.
* Scripts/webkitpy/tool/steps/updatechromiumdeps_unittest.py: Removed.


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@148180 268f45cc-cd09-0410-ab3c-d52691b4dbfc
Fix roll-chromium-deps and hi.

* Scripts/webkitpy/tool/bot/irc_command.py:
(Hi.execute):
(RollChromiumDEPS.execute):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@148181 268f45cc-cd09-0410-ab3c-d52691b4dbfc