fix detail error for scale (#38213)

paddle/pten/CMakeLists.txt

@@ -24,7 +24,7 @@ add_subdirectory(tests)
 
 # make an unity target for compile deps
 set(PTEN_DEPS convert_utils dense_tensor pten_context kernel_factory kernel_context)
-set(PTEN_DEPS scale_kernel_eigen)
+set(PTEN_DEPS ${PTEN_DEPS} scale_kernel_eigen)
 set(PTEN_DEPS ${PTEN_DEPS} math_cpu linalg_cpu creation_cpu manipulation_cpu)
 set(PTEN_DEPS ${PTEN_DEPS} nary unary binary)
 if(WITH_GPU OR WITH_ROCM)

paddle/pten/kernels/cuda/math.h

@@ -36,14 +36,6 @@ void Mean(const CUDAContext& dev_ctx,
           DataType out_dtype,
           DenseTensor* out);
 
-template <typename T>
-void Scale(const CUDAContext& dev_ctx,
-           const DenseTensor& x,
-           const Scalar& scale,
-           float bias,
-           bool bias_after_scale,
-           DenseTensor* out);
-
 template <typename T>
 void Add(const CUDAContext& dev_ctx,
          const DenseTensor& x,