nvim: plugins: Drop QFEnter

We actually never use this plugin.

nvim/.config/nvim/lua/plugins.lua

@@ -40,7 +40,6 @@ local init = function ()
   -- Boost vim command line mode
   use 'vim-utils/vim-husk'
   -- Quickfix
-  use 'yssl/QFEnter'
   use 'chengzeyi/fzf-preview.vim'
   use {
     'https://gitlab.com/yorickpeterse/nvim-pqf',