Revert "refactor(#2871, #2886): multi instance: node classes created (#2916)"

This reverts commit 38aac09151.

lua/nvim-tree/renderer/components/diagnostics.lua

@@ -14,7 +14,7 @@ local M = {
 }
 
 ---Diagnostics highlight group and position when highlight_diagnostics.
----@param node Node
+---@param node table
 ---@return HL_POSITION position none when no status
 ---@return string|nil group only when status
 function M.get_highlight(node)
@@ -38,7 +38,7 @@ function M.get_highlight(node)
 end
 
 ---diagnostics icon if there is a status
----@param node Node
+---@param node table
 ---@return HighlightedString|nil modified icon
 function M.get_icon(node)
   if node and M.config.diagnostics.enable and M.config.renderer.icons.show.diagnostics then

lua/nvim-tree/renderer/components/padding.lua

@@ -59,7 +59,7 @@ end
 ---@param depth integer
 ---@param idx integer
 ---@param nodes_number integer
----@param node Node
+---@param node table
 ---@param markers table
 ---@return HighlightedString[]
 function M.get_indent_markers(depth, idx, nodes_number, node, markers, early_stop)
@@ -79,7 +79,7 @@ function M.get_indent_markers(depth, idx, nodes_number, node, markers, early_sto
   return { str = str, hl = { "NvimTreeIndentMarker" } }
 end
 
----@param node Node
+---@param node table
 ---@return HighlightedString[]|nil
 function M.get_arrows(node)
   if not M.config.icons.show.folder_arrow then