Unreviewed, rolling out r167584.
https://bugs.webkit.org/show_bug.cgi?id=131929

Broke Objective-C bindings test (Requested by ap on #webkit).

Reverted changeset:

"Add Element.matches, the standard name for
webkitMatchesSelector"
https://bugs.webkit.org/show_bug.cgi?id=131922
http://trac.webkit.org/changeset/167584

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@167588 268f45cc-cd09-0410-ab3c-d52691b4dbfc