remove neotree from filetree since it's included now

lua/custom/plugins/filetree.lua

@@ -1,15 +0,0 @@
--- Unless you are still migrating, remove the deprecated commands from v1.x
-vim.cmd([[ let g:neo_tree_remove_legacy_commands = 1 ]])
-
-return {
-  "nvim-neo-tree/neo-tree.nvim",
-  version = "*",
-  dependencies = {
-    "nvim-lua/plenary.nvim",
-    "nvim-tree/nvim-web-devicons", -- not strictly required, but recommended
-    "MunifTanjim/nui.nvim",
-  },
-  config = function()
-    require('neo-tree').setup {}
-  end,
-}