gh-120417: Remove unused imports in the stdlib (#120420)

Lib/_pyrepl/windows_console.py

@@ -20,15 +20,12 @@
 from __future__ import annotations
 
 import io
-from multiprocessing import Value
 import os
 import sys
 import time
 import msvcrt
 
-from abc import ABC, abstractmethod
 from collections import deque
-from dataclasses import dataclass, field
 import ctypes
 from ctypes.wintypes import (
     _COORD,