No longer run bindings tests on WinEWS bots which are causing hangs on the bots.
Re-enable WinEWS tests.

* Scripts/webkitpy/common/config/ports.py:
(WinPort.run_bindings_tests_command):
* Scripts/webkitpy/tool/commands/earlywarningsystem.py:
(WinEWS):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@146827 268f45cc-cd09-0410-ab3c-d52691b4dbfc