use 0.7 keymappings

lua/setup/neo-tree.lua

@@ -4,8 +4,6 @@ vim.fn.sign_define('DiagnosticSignWarn', { text = ' ', texthl = 'DiagnosticSi
 vim.fn.sign_define('DiagnosticSignInfo', { text = ' ', texthl = 'DiagnosticSignInfo' })
 vim.fn.sign_define('DiagnosticSignHint', { text = '', texthl = 'DiagnosticSignHint' })
 
-local utils = require('utils')
-
 require('neo-tree').setup({
   window = { -- see https://github.com/MunifTanjim/nui.nvim/tree/main/lua/nui/popup for
     -- possible options. These can also be functions that return these options.
@@ -50,4 +48,4 @@ require('neo-tree').setup({
     },
   },
 })
-utils.map('n', '\\', '<cmd>Neotree reveal<cr>')
+vim.keymap.set('n', '\\', '<cmd>Neotree reveal<cr>')