gh-97681: Remove Tools/demo/ directory (#97682)

Remove the Tools/demo/ directory which contained old demo scripts. A
copy can be found in the old-demos project:
https://github.com/gvanrossum/old-demos

Remove the following old demo scripts:

* beer.py
* eiffel.py
* hanoi.py
* life.py
* markov.py
* mcast.py
* queens.py
* redemo.py
* rpython.py
* rpythond.py
* sortvisu.py
* spreadsheet.py
* vector.py

Changes:

* Remove a reference to the redemo.py script in the regex howto
  documentation.
* Remove a reference to the removed Tools/demo/ directory in the
  curses documentation.
* Update PC/layout/ to remove the reference to Tools/demo/ directory.

1 files changed, 1 insertions, 5 deletions

diff --git a/Doc/howto/regex.rst b/Doc/howto/regex.rst
index 5cd6140..655df59 100644
--- a/Doc/howto/regex.rst
+++ b/Doc/howto/regex.rst
@@ -378,11 +378,7 @@ containing information about the match: where it starts and ends, the substring
 it matched, and more.
 
 You can learn about this by interactively experimenting with the :mod:`re`
-module.  If you have :mod:`tkinter` available, you may also want to look at
-:source:`Tools/demo/redemo.py`, a demonstration program included with the
-Python distribution.  It allows you to enter REs and strings, and displays
-whether the RE matches or fails. :file:`redemo.py` can be quite useful when
-trying to debug a complicated RE.
+module.
 
 This HOWTO uses the standard Python interpreter for its examples. First, run the
 Python interpreter, import the :mod:`re` module, and compile a RE::