Removed a few uses of '#ifdef SWIG', mainly from areas where they would no longer work. e.g where the code has been templatized since the #ifdef was added so we can see that the SWIG version of the code is out of date and won't build anyway.

include/PolyVox/MarchingCubesSurfaceExtractor.h

@@ -35,12 +35,8 @@ freely, subject to the following restrictions:
 
 namespace PolyVox
 {
-#ifdef SWIG
-	struct MarchingCubesVertex
-#else
 	template<typename _DataType>
 	struct  MarchingCubesVertex
-#endif
 	{
 		typedef _DataType DataType;