Remove double registered dataType in Pad2d (#21942)

* fix compile error in CUDA10 test=develop

* remove double in pad2d test=develop

paddle/fluid/operators/pad2d_op.cc

@@ -661,8 +661,5 @@ REGISTER_OPERATOR(pad2d, ops::Pad2dOp, ops::Pad2dOpMaker,
                   ops::Pad2dOpGradMaker<paddle::imperative::OpBase>);
 REGISTER_OPERATOR(pad2d_grad, ops::Pad2dOpGrad,
                   ops::Pad2dOpGradNoNeedBufferVarsInference);
-REGISTER_OP_CPU_KERNEL(pad2d, ops::Pad2dCPUKernel<float>,
-                       ops::Pad2dCPUKernel<double>, ops::Pad2dCPUKernel<int>,
-                       ops::Pad2dCPUKernel<int64_t>);
-REGISTER_OP_CPU_KERNEL(pad2d_grad, ops::Pad2dGradCPUKernel<float>,
-                       ops::Pad2dGradCPUKernel<double>);
+REGISTER_OP_CPU_KERNEL(pad2d, ops::Pad2dCPUKernel<float>);
+REGISTER_OP_CPU_KERNEL(pad2d_grad, ops::Pad2dGradCPUKernel<float>);

paddle/fluid/operators/pad2d_op.cu

@@ -459,8 +459,5 @@ class Pad2dGradCUDAKernel : public framework::OpKernel<T> {
 }  // namespace paddle
 
 namespace ops = paddle::operators;
-REGISTER_OP_CUDA_KERNEL(pad2d, ops::Pad2dCUDAKernel<float>,
-                        ops::Pad2dCUDAKernel<double>, ops::Pad2dCUDAKernel<int>,
-                        ops::Pad2dCUDAKernel<int64_t>);
-REGISTER_OP_CUDA_KERNEL(pad2d_grad, ops::Pad2dGradCUDAKernel<float>,
-                        ops::Pad2dGradCUDAKernel<double>);
+REGISTER_OP_CUDA_KERNEL(pad2d, ops::Pad2dCUDAKernel<float>);
+REGISTER_OP_CUDA_KERNEL(pad2d_grad, ops::Pad2dGradCUDAKernel<float>);