Doc update: Delete orphaned html files

[michaelortmann]

Found by: michaelortmann
Patch by: michaelortmann
Fixes:

One-line summary:
html files have been moved, like from modules/* to modules/mod/*

Additional description (if needed):
Files have been moved, like from modules/* to modules/mod/*
But the old versions remained
Time to delete those

Test cases demonstrating functionality (if applicable):

(myenv) michael@debian12:~/usr/src/eggdrop$ misc/generatedocs 
[...]
build succeeded.

The HTML pages are in ../html.

Build finished. The HTML pages are in ../html.
*** Stupid housecleaning...
Yahtzee!
(myenv) michael@debian12:~/usr/src/eggdrop$ git status
On branch del.orphaned.html
Your branch is up to date with 'origin/del.orphaned.html'.

Changes not staged for commit:
  (use "git add <file>..." to update what will be committed)
  (use "git restore <file>..." to discard changes in working directory)
	modified:   doc/FIRST-SCRIPT
	modified:   doc/USERS
	modified:   doc/core.settings
	modified:   doc/html/_static/pygments.css
	modified:   doc/html/about/about.html
	modified:   doc/html/about/legal.html
	modified:   doc/html/index.html
	modified:   doc/html/install/install.html
	modified:   doc/html/install/readme.html
	modified:   doc/html/install/upgrading.html
	modified:   doc/html/modules/included.html
	modified:   doc/html/modules/index.html
	modified:   doc/html/modules/internals.html
	modified:   doc/html/modules/mod/assoc.html
	modified:   doc/html/modules/mod/blowfish.html
	modified:   doc/html/modules/mod/channels.html
	modified:   doc/html/modules/mod/compress.html
	modified:   doc/html/modules/mod/console.html
	modified:   doc/html/modules/mod/ctcp.html
	modified:   doc/html/modules/mod/dns.html
	modified:   doc/html/modules/mod/filesys.html
	modified:   doc/html/modules/mod/ident.html
	modified:   doc/html/modules/mod/irc.html
	modified:   doc/html/modules/mod/notes.html
	modified:   doc/html/modules/mod/pbkdf2.html
	modified:   doc/html/modules/mod/python.html
	modified:   doc/html/modules/mod/seen.html
	modified:   doc/html/modules/mod/server.html
	modified:   doc/html/modules/mod/share.html
	modified:   doc/html/modules/mod/transfer.html
	modified:   doc/html/modules/mod/twitch.html
	modified:   doc/html/modules/mod/uptime.html
	modified:   doc/html/modules/mod/woobie.html
	modified:   doc/html/modules/writing.html
	modified:   doc/html/search.html
	modified:   doc/html/tutorials/firstscript.html
	modified:   doc/html/tutorials/firststeps.html
	modified:   doc/html/tutorials/module.html
	modified:   doc/html/tutorials/setup.html
	modified:   doc/html/tutorials/tlssetup.html
	modified:   doc/html/tutorials/userfilesharing.html
	modified:   doc/html/using/accounts.html
	modified:   doc/html/using/autoscripts.html
	modified:   doc/html/using/bans.html
	modified:   doc/html/using/botnet.html
	modified:   doc/html/using/core.html
	modified:   doc/html/using/features.html
	modified:   doc/html/using/ipv6.html
	modified:   doc/html/using/ircv3.html
	modified:   doc/html/using/partyline.html
	modified:   doc/html/using/patch.html
	modified:   doc/html/using/pbkdf2info.html
	modified:   doc/html/using/python.html
	modified:   doc/html/using/tcl-commands.html
	modified:   doc/html/using/text-sub.html
	modified:   doc/html/using/tls.html
	modified:   doc/html/using/tricks.html
	modified:   doc/html/using/twitch-tcl-commands.html
	modified:   doc/html/using/twitchinfo.html
	modified:   doc/html/using/users.html
	modified:   doc/modules/mod.channels

no changes added to commit (use "git add" and/or "git commit -a")