Delete int kernel type in Scatter Kernel.test=kunlun (#46030)

paddle/phi/kernels/xpu/scatter_kernel.cc

@@ -107,4 +107,4 @@ void ScatterKernel(const Context &ctx,
 }  // namespace phi
 
 PD_REGISTER_KERNEL(
-    scatter, XPU, ALL_LAYOUT, phi::ScatterKernel, float, int, int64_t) {}
+    scatter, XPU, ALL_LAYOUT, phi::ScatterKernel, float, int64_t) {}