Revert "fix windows for optimization of elementwise_add Op (#31068)"

This reverts commit 364cfa2686.

paddle/fluid/operators/elementwise/elementwise_add_op.h

@@ -315,9 +315,7 @@ class ElementwiseAddGradKernel : public ElemwiseGradKernel<T> {
     // skip out
     auto *out = dout;
 
-// TODO(@wangchaochaohu, zhouwei35): Fix conv_transpose2d API(dataformat NHWC)
+#ifdef PADDLE_WITH_CUDA
-// error in Windows
-#if defined(PADDLE_WITH_CUDA) && defined(_LINUX)
 #ifdef __NVCC__
 
     int axis = ctx.Attr<int>("axis");