remove old code.

fae9c254 · Frederic Bastien · a5bb97b1 · fae9c254
--- a/theano/sandbox/cuda/cuda_ndarray.cu
+++ b/theano/sandbox/cuda/cuda_ndarray.cu
@@ -5,9 +5,6 @@
 #include <iostream>

 #include "cuda_ndarray.cuh"
-#ifndef DONT_UNROLL
-#define UNROLL_LOOP
-#endif

 /////////////////////////
 // Static helper methods