Rubber stamped by Alexey.

        - reverted fix for http://bugs.webkit.org/show_bug.cgi?id=10893 since it led to layout test crashes

        * fast/dom/css-insert-import-rule-expected.txt: Removed.
        * fast/dom/css-insert-import-rule.html: Removed.

WebCore:

        Rubber stamped by Alexey.

        - reverted fix for http://bugs.webkit.org/show_bug.cgi?id=10893 since it led to layout test crashes

        * css/CSSGrammar.y:



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@16706 268f45cc-cd09-0410-ab3c-d52691b4dbfc