<details open> <summary>Checklist</summary> - [X] `app/layout.tsx` > • Change the `defaultTheme` property to "light" in the `ThemeProvider` component. - [X] `components/site-header.tsx` > • Remove the line that adds the `ThemeToggle` component to the site header. - [X] `components/theme-toggle.tsx` > • Remove the entire file as the `ThemeToggle` component is no longer needed. - [X] `app/_examples/client-component/page.tsx` > • Check for any references to the `ThemeToggle` component or the `defaultTheme` property and remove or modify them as necessary. - [X] `app/_examples/server-action/page.tsx` > • Check for any references to the `ThemeToggle` component or the `defaultTheme` property and remove or modify them as necessary. </details>