Cleanup | Format files

* fix some lint warnings
* remove some unneeded code

lua/plugins/configs/nvimtree.lua

@@ -13,7 +13,7 @@ g.nvim_tree_highlight_opened_files = 0
 g.nvim_tree_indent_markers = 1
 g.nvim_tree_quit_on_open = 0 -- closes tree when file's opened
 g.nvim_tree_root_folder_modifier = table.concat { ":t:gs?$?/..", string.rep(" ", 1000), "?:gs?^??" }
- 
+
 g.nvim_tree_window_picker_exclude = {
    filetype = { "notify", "packer", "qf" },
    buftype = { "terminal" },

lua/plugins/configs/others.lua

@@ -132,7 +132,7 @@ M.lsp_handlers = function()
    })
 
    -- suppress error messages from lang servers
-   vim.notify = function(msg, log_level, _opts)
+   vim.notify = function(msg, log_level)
       if msg:match "exit code" then
          return
       end