Revert of Catch uncaught promise rejections from V8 and log to console. (patchset #13 id:520001 of https://codereview.chromium.org/625943002/)

Reason for revert:
This is likely the cause of breakage for these browser_tests:
ManageProfileUITest.Create_NameUpdateOnAvatarSelected
ManageProfileUITest.Create_NoNameUpdateOnAvatarSelectedAfterRevert
ManageProfileUITest.Create_NoNameUpdateOnAvatarSelectedAfterEdit


https://build.chromium.org/p/chromium.mac/builders/Mac10.6%20Tests%20%281%29/builds/56670

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
> 
> Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=183598

TBR=pfeldman@chromium.org,yurys@chromium.org,jl@opera.com,aandrey@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=393913

Review URL: https://codereview.chromium.org/650203003

git-svn-id: svn://svn.chromium.org/blink/trunk@183611 bbb929c8-8fbe-4397-9dbb-9b2b20218538