No markdown for wiki

pkgs/vim/default.nix

@@ -191,10 +191,9 @@ let
       let g:vimwiki_conceallevel = 0
       let g:vimwiki_auto_chdir = 1
       let g:vimwiki_list = [
-        \{'path': '~/zk/', 'syntax': 'markdown', 'ext': '.md'},
+        \{'path': '~/zk/'},
         \{'path': '~/vimwiki/personal.wiki'}
       \]
-      au BufRead,BufNewFile *.wiki set filetype=vimwiki
       :autocmd FileType vimwiki map <leader>d :VimwikiMakeDiaryNote
       function! ToggleCalendar()
         execute ":Calendar"
@@ -211,9 +210,6 @@ let
       endfunction
       :autocmd FileType vimwiki map <leader>c :call ToggleCalendar()
 
-      " Still, edit md as markdown
-      au BufRead,BufNewFile *.md set filetype=markdown
-
       " Thx Mats for the following
       :cnoremap <C-A> <Home>
       :cnoremap <C-B> <Left>