Apply clang-tidy fixes for misc-include-cleaner in IRCore.cpp (NFC)

#include "mlir-c/Diagnostics.h"

#include "mlir-c/IR.h"

#include "mlir-c/Support.h"

#include "mlir/Bindings/Python/PybindAdaptors.h"

#include "mlir/Support/LLVM.h"

#include "llvm/ADT/ArrayRef.h"

#include "llvm/ADT/Hashing.h"

#include "llvm/ADT/STLExtras.h"

#include "llvm/ADT/SmallVector.h"

#include "llvm/ADT/StringRef.h"

#include "llvm/ADT/Twine.h"

#include <cassert>

#include <cstddef>

#include <cstdint>

#include <cstdio>

#include <exception>

#include <funcobject.h>

#include <functional>

#include <optional>

#include <pybind11/attr.h>

#include <pybind11/cast.h>

#include <pybind11/detail/common.h>

#include <pybind11/detail/type_caster_base.h>

#include <pybind11/gil.h>

#include <pybind11/pybind11.h>

#include <pybind11/pytypes.h>

#include <pyerrors.h>

#include <stdexcept>

#include <string>

#include <string_view>

#include <tuple>

#include <utility>

#include <vector>

namespace py = pybind11;

using namespace py::literals;