Delete lots of unused features (#48)

source/Irrlicht/CMeshSceneNode.h

@@ -60,11 +60,6 @@ namespace scene
 		//! Returns the current mesh
 		virtual IMesh* getMesh(void) _IRR_OVERRIDE_ { return Mesh; }
 
-		//! Creates shadow volume scene node as child of this node
-		//! and returns a pointer to it.
-		virtual IShadowVolumeSceneNode* addShadowVolumeSceneNode(const IMesh* shadowMesh,
-			s32 id, bool zfailmethod=true, f32 infinity=10000.0f) _IRR_OVERRIDE_;
-
 		//! Sets if the scene node should not copy the materials of the mesh but use them in a read only style.
 		/* In this way it is possible to change the materials a mesh causing all mesh scene nodes
 		referencing this mesh to change too. */
@@ -90,7 +85,6 @@ namespace scene
 		video::SMaterial ReadOnlyMaterial;
 
 		IMesh* Mesh;
-		IShadowVolumeSceneNode* Shadow;
 
 		s32 PassCount;
 		bool ReadOnlyMaterials;