【CUDA Kernel No.62】Add declarations in interpolate_grad_kernel.h (#2127)

* remove .cu includes

* include .cu file for iluvatae_gpu

* remove kernel .cu file from cmakelists

---------

Co-authored-by: Yuqiang Ge <[email protected]>

Author: algorithm1832

backends/iluvatar_gpu/CMakeLists.txt

@@ -328,7 +328,6 @@ file(
   ${PADDLE_SOURCE_DIR}/paddle/phi/kernels/gpu/group_norm_kernel.cu
   ${PADDLE_SOURCE_DIR}/paddle/phi/kernels/gpu/gru_kernel.cu
   ${PADDLE_SOURCE_DIR}/paddle/phi/kernels/gpu/index_add_grad_kernel.cu
-  ${PADDLE_SOURCE_DIR}/paddle/phi/kernels/gpu/interpolate_grad_kernel.cu
   ${PADDLE_SOURCE_DIR}/paddle/phi/kernels/gpu/interpolate_kernel.cu
   ${PADDLE_SOURCE_DIR}/paddle/phi/kernels/gpu/kldiv_loss_grad_kernel.cu
   ${PADDLE_SOURCE_DIR}/paddle/phi/kernels/gpu/kldiv_loss_kernel.cu
@@ -937,7 +936,6 @@ list(
   ${PADDLE_SOURCE_DIR}/paddle/phi/kernels/gpu/huber_loss_grad_kernel.cu
   ${PADDLE_SOURCE_DIR}/paddle/phi/kernels/gpu/huber_loss_kernel.cu
   ${PADDLE_SOURCE_DIR}/paddle/phi/kernels/gpu/histogram_kernel.cu
-  ${PADDLE_SOURCE_DIR}/paddle/phi/kernels/gpu/interpolate_grad_kernel.cu
   ${PADDLE_SOURCE_DIR}/paddle/phi/kernels/gpu/load_combine_kernel.cu
   ${PADDLE_SOURCE_DIR}/paddle/phi/kernels/gpu/load_kernel.cu
   ${PADDLE_SOURCE_DIR}/paddle/phi/kernels/gpu/kthvalue_grad_kernel.cu

backends/metax_gpu/kernels/cuda_kernels/interpolate_grad_kernel_register.cu

@@ -13,7 +13,6 @@
 // limitations under the License.
 
 #include "paddle/phi/core/kernel_registry.h"
-#include "paddle/phi/kernels/gpu/interpolate_grad_kernel.cu"  //NOLINT
 #include "paddle/phi/kernels/interpolate_grad_kernel.h"
 
 PD_CUSTOM_KERNEL_REGISTER(bilinear_interp_grad,