Revert of Catch uncaught promise rejections from V8 and log to console.

Revert of Catch uncaught promise rejections from V8 and log to console. (patchset #10 id:180001 of https://codereview.chromium.org/625943002/)

Reason for revert:
Broke extensions_unittests.ModuleSystemTest.TestRequireAsyncFromContextWithNoModuleRegistry and UtilsUnittest.PromiseError at least.

See http://test-results.appspot.com/dashboards/flakiness_dashboard.html#testType=extensions_unittests&tests=ModuleSystemTest.TestRequireAsyncFromContextWithNoModuleRegistry%2C%20UtilsUnittest.PromiseError

Original issue's description:
> Catch uncaught promise rejections from V8 and log to console.
> 
> Print error messages to DevTools console for rejected Promises that are unhandled by the platform end-of-turn.
> 
> BUG=393913
> R=pfeldman, yurys
> 
> Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=183464

TBR=pfeldman@chromium.org,yurys@chromium.org,jl@opera.com,aandrey@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=393913
Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=183469

[apavlov, 2014-10-09 15:10:26]

Created Revert of Catch uncaught promise rejections from V8 and log to console.

[apavlov, 2014-10-09 15:11:02]

The CQ bit was unchecked by apavlov@chromium.org

[apavlov, 2014-10-09 15:13:53]

The CQ bit was checked by apavlov@chromium.org

[commit-bot: I haz the power, 2014-10-09 15:14:33]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/648443002/1

[commit-bot: I haz the power, 2014-10-09 15:15:31]

Committed patchset #1 (id:1) as 183469