!5394 Remove unused header file definitions

Merge pull request !5394 from huangbingjian/remove_h

mindspore/ccsrc/backend/kernel_compiler/akg/akg_kernel_build.h

@@ -25,7 +25,6 @@
 #include "backend/kernel_compiler/kernel.h"
 #include "ir/dtype.h"
 #include "ir/primitive.h"
-#include "pybind11/pybind11.h"
 #include <nlohmann/json.hpp>
 #include "backend/kernel_compiler/common_utils.h"
 #include "backend/kernel_compiler/oplib/oplib.h"

mindspore/ccsrc/backend/kernel_compiler/oplib/oplib.cc

@@ -15,7 +15,6 @@
  */
 
 #include "backend/kernel_compiler/oplib/oplib.h"
-#include <pybind11/pybind11.h>
 #include <memory>
 #include <map>
 #include <fstream>