docs: remove $lib path customization

Updated documentation for $lib import alias in SvelteKit.

Author: hyunbinseo

documentation/docs/98-reference/26-$lib.md

@@ -2,11 +2,11 @@
 title: $lib
 ---
 
-SvelteKit automatically makes files under `src/lib` available using the `$lib` import alias. You can change which directory this alias points to in your [config file](configuration#files).
+SvelteKit automatically makes files under `src/lib` available using the `$lib` import alias.
 
 ```svelte
 <!--- file: src/lib/Component.svelte --->
-A reusable component
+<!-- A reusable component -->
 ```
 
 ```svelte