[SYNC] docs: fix broken link to envPrefix config option (#9161)

[github-actions[bot]]

docs: fix broken link to envPrefix config option (#9161) (344642a)

---

+++ b/docs/config/index.md
@@ -23,19 +23,6 @@ You can also explicitly specify a config file to use with the `--config` CLI opt
vite --config my-config.js
```
-::: tip NOTE
-Vite will inject `__filename`, `__dirname` in config files and its deps. Declaring these variables at top level will result in an error:
-
-```js
-const __filename = 'value' // SyntaxError: Identifier '__filename' has already been declared
-
-const func = () => {
-  const __filename = 'value' // no error
-}
-```
-
-:::
-
## Config Intellisense
Since Vite ships with TypeScript typings, you can leverage your IDE's intellisense with jsdoc type hints: