Remove obsolete stuffs

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

@@ -0,0 +1,30 @@
+" Vim filetype plugin file
+" Language:			systemd.unit(5)
+" Keyword Lookup Support:	Enno Nagel <enno.nagel+vim@gmail.com>
+" Latest Revision:		2024-10-02 (small fixes to &keywordprg)
+
+if exists("b:did_ftplugin")
+  finish
+endif
+" Looks a lot like dosini files.
+runtime! ftplugin/dosini.vim
+
+if has('unix') && executable('less') && exists(':terminal') == 2
+  command! -buffer -nargs=1 SystemdKeywordPrg silent exe 'term ++close ' KeywordLookup_systemd(<q-args>)
+  silent! function KeywordLookup_systemd(keyword) abort
+    let matches = matchlist(getline(search('\v^\s*\[\s*.+\s*\]\s*$', 'nbWz')), '\v^\s*\[\s*(\k+).*\]\s*$')
+    if len(matches) > 1
+      let section = matches[1]
+      return 'env LESS= MANPAGER="less --pattern=''(^|,)\\s+' . a:keyword . '=$'' --hilite-search" man ' . 'systemd.' . section
+    else
+      return 'env LESS= MANPAGER="less --pattern=''(^|,)\\s+' . a:keyword . '=$'' --hilite-search" man ' . 'systemd'
+    endif
+  endfunction
+  setlocal iskeyword+=-
+  setlocal keywordprg=:SystemdKeywordPrg
+  if !exists('b:undo_ftplugin') || empty(b:undo_ftplugin)
+    let b:undo_ftplugin = 'setlocal keywordprg< iskeyword< | sil! delc -buffer SystemdKeywordPrg'
+  else
+    let b:undo_ftplugin .= '| setlocal keywordprg< iskeyword< | sil! delc -buffer SystemdKeywordPrg'
+  endif
+endif