Revert of Test Accelerators In Interactive UI Tests

Revert of Test Accelerators In Interactive UI Tests (patchset #5 id:80001 of https://codereview.chromium.org/1026513005/)

Reason for revert:
AcceleratorInteractiveUITest.ChromeOsAccelerators and AcceleratorInteractiveUITest.TestNonRepeatableNeedingWindowActions are failing on the cros_trunk official builders.

http://master.chrome.corp.google.com:8011/builders/cros%20trunk/builds/31840

Original issue's description:
> Test Accelerators In Interactive UI Tests
>
> In order to avoid future regressions.
>
> BUG=469235
> TEST=interactive_ui_tests --gtest_filter=AcceleratorInteractiveUITest.*
>
> Committed: https://crrev.com/b0c1e2d572b2bda87f11007c89ecdaac6301770a
> Cr-Commit-Position: refs/heads/master@{#322076}

TBR=oshima@chromium.org,afakhry@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=469235
Committed: https://crrev.com/531e5de190fbba5fda62175101e14ace7038c7da
Cr-Commit-Position: refs/heads/master@{#322184}

[James Cook, 2015-03-25 17:18:24]

Created Revert of Test Accelerators In Interactive UI Tests

[commit-bot: I haz the power, 2015-03-25 17:18:39]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1035763003/1

[commit-bot: I haz the power, 2015-03-25 17:19:28]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-03-25 17:20:04]

Patchset 1 (id:??) landed as
https://crrev.com/531e5de190fbba5fda62175101e14ace7038c7da
Cr-Commit-Position: refs/heads/master@{#322184}