l vim: remove syntastic (flake8 works over lsp)

lass/2configs/vim.nix

@@ -73,10 +73,6 @@ let
 
     au BufRead,BufNewFile /dev/shm/* set nobackup nowritebackup noswapfile
 
-    "Syntastic config
-    let g:syntastic_python_checkers=['flake8']
-    let g:syntastic_python_flake8_post_args='--ignore=E501'
-
     nnoremap <F5> :call LanguageClient_contextMenu()<CR>
     set hidden
     let g:LanguageClient_serverCommands = {
@@ -127,7 +123,6 @@ let
   extra-runtimepath = concatMapStringsSep "," (pkg: "${pkg.rtp}") [
     pkgs.vimPlugins.ack-vim
     pkgs.vimPlugins.Gundo
-    pkgs.vimPlugins.Syntastic
     pkgs.vimPlugins.undotree
     pkgs.vimPlugins.vim-go
     pkgs.vimPlugins.fzf-vim