Removed old unsupported mesh type

Core/Contents/Include/PolyMesh.h

@@ -317,11 +317,6 @@ namespace Polycode {
 			*/						
 			static const int TRIFAN_MESH = 2;
 
-			/**
-			* Triangle strip based mesh.
-			*/									
-			static const int TRISTRIP_MESH = 3;
-			
 			/**
 			* Line based mesh.
 			*/