docs(example): remove `import` entries as they confuse new users

lua/plugins/example.lua

@@ -111,10 +111,6 @@ return {
     },
   },
 
-  -- for typescript, LazyVim also includes extra specs to properly setup lspconfig,
-  -- treesitter, mason and typescript.nvim. So instead of the above, you can use:
-  { import = "lazyvim.plugins.extras.lang.typescript" },
-
   -- add more treesitter parsers
   {
     "nvim-treesitter/nvim-treesitter",
@@ -176,12 +172,6 @@ return {
     end,
   },
 
-  -- use mini.starter instead of alpha
-  { import = "lazyvim.plugins.extras.ui.mini-starter" },
-
-  -- add jsonls and schemastore packages, and setup treesitter for json, json5 and jsonc
-  { import = "lazyvim.plugins.extras.lang.json" },
-
   -- add any tools you want to have installed below
   {
     "williamboman/mason.nvim",