Rubber stamped by Eric.

        - removed unused SPI headers

        * WebCore.xcodeproj/project.pbxproj:
        * kwq/DOM-compat.h: Removed.

WebKit:

        Rubber stamped by Eric.

	- remove some unused SPI headers.

        * DOM.subproj/WebDOMDocument.h: Removed.
        * DOM.subproj/WebDOMElement.h: Removed.
        * DOM.subproj/WebDOMNode.h: Removed.
        * WebKit.xcodeproj/project.pbxproj:


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@11660 268f45cc-cd09-0410-ab3c-d52691b4dbfc