Remove all-passing expectation for testharness.js-based test

Remove all-passing expectation for testharness.js-based test

This useless -expected.txt file must have slipped in between r176164
(which removed all such expected files) and the follow-up PRESUBMIT
to prevent them from being added.

TBR=mlamouri@chromium.org
BUG=None

Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=178012

[jsbell, 2014-07-11 23:27:21]

The CQ bit was checked by jsbell@chromium.org

[commit-bot: I haz the power, 2014-07-11 23:28:07]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/jsbell@chromium.org/382433003/1

[commit-bot: I haz the power, 2014-07-12 00:40:29]

FYI, CQ is re-trying this CL (attempt #1).
The failing builders are:
  linux_chromium_gn_rel on tryserver.blink
(http://build.chromium.org/p/tryserver.blink/builders/linux_chromium_gn_rel/bu...)
  linux_gpu on tryserver.chromium.gpu
(http://build.chromium.org/p/tryserver.chromium.gpu/builders/linux_gpu/builds/...)
  mac_gpu on tryserver.chromium.gpu
(http://build.chromium.org/p/tryserver.chromium.gpu/builders/mac_gpu/builds/27810)
  win_gpu_triggered_tests on tryserver.chromium.gpu
(http://build.chromium.org/p/tryserver.chromium.gpu/builders/win_gpu_triggered...)

[commit-bot: I haz the power, 2014-07-12 01:10:52]

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

[commit-bot: I haz the power, 2014-07-12 01:10:53]

Try jobs failed on following builders:
  mac_gpu_retina_triggered_tests on tryserver.chromium.gpu
(http://build.chromium.org/p/tryserver.chromium.gpu/builders/mac_gpu_retina_tr...)

[mlamouri (slow - plz ping), 2014-07-13 14:42:42]

lgtm

[commit-bot: I haz the power, 2014-07-13 15:02:50]

Change committed as 178012