Removed some missing headers from the vs2010 and vs2012 project files that were causing vs to always claim the projects were out of date.
Also removed some other entries for c/cpp files that were disabled but also missing (I did not search exhaustively).
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@5763 96395faa-99c1-11dd-bbfe-3dabce05a288