chore(diagnostics): move updates to renderer (#1218)

should address #1216

lua/nvim-tree/actions/change-dir.lua

@@ -3,7 +3,6 @@ local a = vim.api
 local log = require "nvim-tree.log"
 local utils = require "nvim-tree.utils"
 local core = require "nvim-tree.core"
-local diagnostics = require "nvim-tree.diagnostics"
 
 local M = {
   current_tab = a.nvim_get_current_tabpage(),
@@ -42,7 +41,6 @@ function M.force_dirchange(foldername, with_open)
   else
     require("nvim-tree.renderer").draw()
   end
-  diagnostics.update()
 
   log.profile_end(ps, "change dir %s", foldername)
 end