chore(#1606): always use file system watchers

Author: alex-courtis

doc/nvim-tree-lua.txt

@@ -165,7 +165,6 @@ nvim-tree will be initialised with default configuration.
 Subsequent calls to setup will replace the previous configuration.
 >
     require("nvim-tree").setup { -- BEGIN_DEFAULT_OPTS
-      auto_reload_on_write = true,
       create_in_closed_folder = false,
       disable_netrw = false,
       hijack_cursor = false,
@@ -419,10 +418,6 @@ in some scenarios (eg using vim startify).
 List of filetypes or buffer names that will prevent |nvim-tree.open_on_tab|.
   Type: {string}, Default: `{}`
 
-*nvim-tree.auto_reload_on_write*
-Reloads the explorer every time a buffer is written to.
-  Type: `boolean`, Default: `true`
-
 *nvim-tree.create_in_closed_folder*
 Creating a file when the cursor is on a closed folder will set the
 path to be inside the closed folder, otherwise the parent folder.

lua/nvim-tree.lua

@@ -406,7 +406,6 @@ local function setup_autocommands(opts)
 end
 
 local DEFAULT_OPTS = { -- BEGIN_DEFAULT_OPTS
-  auto_reload_on_write = true,
   create_in_closed_folder = false,
   disable_netrw = false,
   hijack_cursor = false,

lua/nvim-tree/legacy.lua

@@ -295,6 +295,7 @@ local function unnecessary(opts)
   if opts.filesystem_watchers then
     opts.filesystem_watchers.enable = nil
   end
+  opts.auto_reload_on_write = nil
 end
 
 local function removed(opts)