Remove obsolete stuffs

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

@@ -0,0 +1,18 @@
+" Vim filetype plugin file
+" Language:     Vim's quickfix window
+" Maintainer:   Lech Lorens <Lech.Lorens@gmail.com>
+" Last Change: 	2019 Jul 15
+
+if exists("b:did_ftplugin")
+  finish
+endif
+
+" Don't load another plugin for this buffer
+let b:did_ftplugin = 1
+
+if !get(g:, 'qf_disable_statusline')
+  let b:undo_ftplugin = "set stl<"
+
+  " Display the command that produced the list in the quickfix window:
+  setlocal stl=%t%{exists('w:quickfix_title')?\ '\ '.w:quickfix_title\ :\ ''}\ %=%-15(%l,%c%V%)\ %P
+endif