remove stray writeOBJ

Former-commit-id: 06a5144f348b437b2582e89109c7c04c4aff0ea5

include/igl/copyleft/tetgen/cdt.cpp

@@ -7,7 +7,6 @@
 // obtain one at http://mozilla.org/MPL/2.0/.
 #include "cdt.h"
 #include "../../bounding_box.h"
-#include "../../writeOBJ.h"
 #include "tetrahedralize.h"
 
 template <
@@ -56,7 +55,6 @@ IGL_INLINE bool igl::copyleft::tetgen::cdt(
   }
   // effective flags;
   string flags = param.flags + (param.use_bounding_box ? "" : "c");
-  writeOBJ("UG.obj",U,G);
   return tetrahedralize(U,G,flags,TV,TT,TF);
 }