move nvim_tree config to setup()

lua/nvim-tree-config.vim

@@ -1,4 +1,3 @@
-let g:nvim_tree_gitignore = 1 "0 by default
 let g:nvim_tree_quit_on_open = 0 "0 by default, closes the tree when you open a file
 let g:nvim_tree_indent_markers = 1 "0 by default, this option shows indent markers when folders are open
 let g:nvim_tree_git_hl = 1 "0 by default, will enable file highlight for git attributes (can be used without the icons).

lua/plugins.lua

@@ -23,6 +23,9 @@ return require('packer').startup(function()
         open_on_tab         = false,
         hijack_cursor       = false,
         update_cwd          = false,
+        git                 = {
+            ignore = true
+        },
         update_to_buf_dir   = {
             enable = true,
             auto_open = true,