Remove chromium exceptions from WebCore's gitattributes
https://bugs.webkit.org/show_bug.cgi?id=114327

Patch by Benjamin Poulain <bpoulain@apple.com> on 2013-04-09
Reviewed by Darin Adler.

* .gitattributes:


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@148074 268f45cc-cd09-0410-ab3c-d52691b4dbfc