[3.11] gh-84623: Remove unused imports in stdlib (#94313)

#93773

Backport only for 2 idlelib files.
Cherrypicked from  259dd71

Author: terryjreedy

Lib/idlelib/configdialog.py

@@ -11,7 +11,7 @@
 """
 import re
 
-from tkinter import (Toplevel, Listbox, Scale, Canvas,
+from tkinter import (Toplevel, Listbox, Canvas,
                      StringVar, BooleanVar, IntVar, TRUE, FALSE,
                      TOP, BOTTOM, RIGHT, LEFT, SOLID, GROOVE,
                      NONE, BOTH, X, Y, W, E, EW, NS, NSEW, NW,

Lib/idlelib/util.py

@@ -12,7 +12,6 @@
     * std streams (pyshell, run),
     * warning stuff (pyshell, run).
 """
-from os import path
 
 # .pyw is for Windows; .pyi is for stub files.
 py_extensions = ('.py', '.pyw', '.pyi')  # Order needed for open/save dialogs.