nixpkgs/neovim: rely on denols for formatting

.config/nixpkgs/neovim/lsp.lua

@@ -27,7 +27,6 @@ if vim.fn.executable("deno") == 1 then
   nvim_lsp.denols.setup({
     on_attach = on_attach,
   });
-  table.insert(null_ls_sources, null_ls.builtins.formatting.deno_fmt);
 end
 
 if vim.fn.executable("gopls") == 1 then