Remove DeprecatedStringList.

        * GNUmakefile.am:
        * WebCore.pro:
        * WebCore.vcproj/WebCore.vcproj:
        * WebCore.xcodeproj/project.pbxproj:
        * WebCoreSources.bkl:
        * editing/markup.cpp:
        * platform/DeprecatedStringList.cpp: Removed.
        * platform/DeprecatedStringList.h: Removed.
        * platform/mac/DeprecatedStringListMac.mm: Removed.



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@30377 268f45cc-cd09-0410-ab3c-d52691b4dbfc