Remove obsolete stuffs

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

@@ -0,0 +1,24 @@
+" Vim filetype plugin file
+" Language:	Go
+" Maintainer:	David Barnett (https://github.com/google/vim-ft-go)
+" Last Change:	2014 Aug 16
+" 2024 Jul 16 by Vim Project (add recommended indent style)
+
+if exists('b:did_ftplugin')
+  finish
+endif
+let b:did_ftplugin = 1
+
+setlocal formatoptions-=t
+
+setlocal comments=s1:/*,mb:*,ex:*/,://
+setlocal commentstring=//\ %s
+
+let b:undo_ftplugin = 'setl fo< com< cms<'
+
+if get(g:, 'go_recommended_style', 1)
+  setlocal noexpandtab softtabstop=0 shiftwidth=0
+  let b:undo_ftplugin ..= ' | setl et< sts< sw<'
+endif
+
+" vim: sw=2 sts=2 et