remove commented lines

source/tensor/core/movement/Spread.cu

@@ -267,8 +267,6 @@ void _CudaSpreadForGather(XTensor * source, XTensor * collection, int dim,
 
         XMemCopy(si, source->devID, srcIndex, -1, sizeof(int) * indexSize);
         XMemCopy(ci, collection->devID, collIndex, -1, sizeof(int) * indexSize);
-        //XMemCopy(si, source->devID, srcIndex, -1, sizeof(int));
-        //XMemCopy(ci, collection->devID, collIndex, -1, sizeof(int));
 
         DTYPE * s = (DTYPE*)source->data;
         DTYPE * c = (DTYPE*)collection->data;