Remove obsolete stuffs

bin/git/usr/share/vim/vim91/ftplugin/lua.vim

@@ -0,0 +1,54 @@
+" Vim filetype plugin file.
+" Language:		Lua
+" Maintainer:		Doug Kearns <dougkearns@gmail.com>
+" Previous Maintainer:	Max Ischenko <mfi@ukr.net>
+" Contributor:		Dorai Sitaram <ds26@gte.com>
+"			C.D. MacEachern <craig.daniel.maceachern@gmail.com>
+"			Tyler Miller <tmillr@proton.me>
+" Last Change:		2024 Jan 14
+
+if exists("b:did_ftplugin")
+  finish
+endif
+let b:did_ftplugin = 1
+
+let s:cpo_save = &cpo
+set cpo&vim
+
+setlocal comments=:---,:--
+setlocal commentstring=--\ %s
+setlocal formatoptions-=t formatoptions+=croql
+
+let &l:define = '\<function\|\<local\%(\s\+function\)\='
+
+" TODO: handle init.lua
+setlocal includeexpr=tr(v:fname,'.','/')
+setlocal suffixesadd=.lua
+
+let b:undo_ftplugin = "setlocal cms< com< def< fo< inex< sua<"
+
+if exists("loaded_matchit") && !exists("b:match_words")
+  let b:match_ignorecase = 0
+  let b:match_words =
+	\ '\<\%(do\|function\|if\)\>:' ..
+	\ '\<\%(return\|else\|elseif\)\>:' ..
+	\ '\<end\>,' ..
+	\ '\<repeat\>:\<until\>,' ..
+	\ '\%(--\)\=\[\(=*\)\[:]\1]'
+  let b:undo_ftplugin ..= " | unlet! b:match_words b:match_ignorecase"
+endif
+
+if (has("gui_win32") || has("gui_gtk")) && !exists("b:browsefilter")
+  let b:browsefilter = "Lua Source Files (*.lua)\t*.lua\n"
+  if has("win32")
+    let b:browsefilter ..= "All Files (*.*)\t*\n"
+  else
+    let b:browsefilter ..= "All Files (*)\t*\n"
+  endif
+  let b:undo_ftplugin ..= " | unlet! b:browsefilter"
+endif
+
+let &cpo = s:cpo_save
+unlet s:cpo_save
+
+" vim: nowrap sw=2 sts=2 ts=8 noet: