Fix a straggler.

Remove call to internals.settings.setRegionBasedColumnsEnabled(true).

* fast/repaint/spanner-with-margin.html:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@168987 268f45cc-cd09-0410-ab3c-d52691b4dbfc
[GTK] Build break after 168978.
https://bugs.webkit.org/show_bug.cgi?id=133012.

Patch by Piotr Grad <p.grad@samsung.com> on 2014-05-16
Reviewed by Simon Fraser.

* UIProcess/API/gtk/WebKitSettings.cpp:
(webKitSettingsConstructed):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@168988 268f45cc-cd09-0410-ab3c-d52691b4dbfc