gh-97669: Remove outdated example scripts (#97675)

Remove outdated example scripts of the Tools/scripts/ directory. A
copy can be found in the old-demos project:
https://github.com/gvanrossum/old-demos

Removed scripts (39):

* byext.py
* byteyears.py
* cleanfuture.py
* copytime.py
* crlf.py
* db2pickle.py
* dutree.doc
* dutree.py
* find-uname.py
* find_recursionlimit.py
* finddiv.py
* findlinksto.py
* findnocoding.py
* fixcid.py
* fixdiv.py
* fixheader.py
* fixnotice.py
* fixps.py
* get-remote-certificate.py
* google.py
* highlight.py
* ifdef.py
* import_diagnostics.py
* lfcr.py
* linktree.py
* lll.py
* mailerdaemon.py
* make_ctype.py
* mkreal.py
* objgraph.py
* pdeps.py
* pickle2db.py
* pindent.py
* pysource.py
* reindent-rst.py
* rgrep.py
* suff.py
* texi2html.py
* which.py

Changes:

* Remove test_fixcid, test_lll, test_pdeps and test_pindent
  of test.test_tools.
* Remove get-remote-certificate.py changelog entry, since the script
  was removed.

Note: there is a copy of crlf.py in Lib/test/test_lib2to3/data/.

Tools/scripts/README

@@ -1,65 +1,25 @@
 This directory contains a collection of executable Python scripts that are
-useful while building, extending or managing Python.  Some (e.g., dutree or lll)
-are also generally useful UNIX tools.
+useful while building, extending or managing Python.
 
 2to3                      Main script for running the 2to3 conversion tool
 abitype.py                Converts a C file to use the PEP 384 type definition API
 analyze_dxp.py            Analyzes the result of sys.getdxp()
-byext.py                  Print lines/words/chars stats of files by extension
-byteyears.py              Print product of a file's size and age
-cleanfuture.py            Fix redundant Python __future__ statements
 combinerefs.py            A helper for analyzing PYTHONDUMPREFS output
-copytime.py               Copy one file's atime and mtime to another
-crlf.py                   Change CRLF line endings to LF (Windows to Unix)
-db2pickle.py              Dump a database file to a pickle
 diff.py                   Print file diffs in context, unified, or ndiff formats
-dutree.py                 Format du(1) output as a tree sorted by size
 eptags.py                 Create Emacs TAGS file for Python modules
-finddiv.py                A grep-like tool that looks for division operators
-findlinksto.py            Recursively find symbolic links to a given path prefix
-findnocoding.py           Find source files which need an encoding declaration
-find_recursionlimit.py    Find the maximum recursion limit on this machine
-find-uname.py             Look for the given arguments in the sets of all Unicode names
-fixcid.py                 Massive identifier substitution on C source files
-fixdiv.py                 Tool to fix division operators.
-fixheader.py              Add some cpp magic to a C include file
-fixnotice.py              Fix the copyright notice in source files
-fixps.py                  Fix Python scripts' first line (if #!)
-ftpmirror.py              FTP mirror script
-get-remote-certificate.py Fetch the certificate that the server(s) are providing in PEM form
-google.py                 Open a webbrowser with Google
 gprof2html.py             Transform gprof(1) output into useful HTML
-highlight.py              Python syntax highlighting with HTML output
 idle3                     Main program to start IDLE
-ifdef.py                  Remove #if(n)def groups from C sources
-import_diagnostics.py     Miscellaneous diagnostics for the import system
-lfcr.py                   Change LF line endings to CRLF (Unix to Windows)
-linktree.py               Make a copy of a tree with links to original files
-lll.py                    Find and list symbolic links in current directory
-mailerdaemon.py           Parse error messages from mailer daemons (Sjoerd&Jack)
-make_ctype.py             Generate ctype.h replacement in stringobject.c
 md5sum.py                 Print MD5 checksums of argument files
-mkreal.py                 Turn a symbolic link into a real file or directory
 ndiff.py                  Intelligent diff between text files (Tim Peters)
 nm2def.py                 Create a template for PC/python_nt.def (Marc Lemburg)
-objgraph.py               Print object graph from nm output on a library
 parseentities.py          Utility for parsing HTML entity definitions
 parse_html5_entities.py   Utility for parsing HTML5 entity definitions
 patchcheck.py             Perform common checks and cleanup before committing
 pathfix.py                Change #!/usr/local/bin/python into something else
-pdeps.py                  Print dependencies between Python modules
-pickle2db.py              Load a pickle generated by db2pickle.py to a database
-pindent.py                Indent Python code, giving block-closing comments
 ptags.py                  Create vi tags file for Python modules
 pydoc3                    Python documentation browser
-pysource.py               Find Python source files
 reindent.py               Change .py files to use 4-space indents
-reindent-rst.py           Fix-up reStructuredText file whitespace
-rgrep.py                  Reverse grep through a file (useful for big logfiles)
 run_tests.py              Run the test suite with more sensible default options
 stable_abi.py             Stable ABI checks and file generators.
-suff.py                   Sort a list of files by suffix
-texi2html.py              Convert GNU texinfo files into HTML
 untabify.py               Replace tabs with spaces in argument files
-which.py                  Find a program in $PATH
 win_add2path.py           Add Python to the search path on Windows