docs: remove new frame titles from configuration.mdx

Author: HiDeoo

docs/src/content/docs/reference/configuration.mdx

@@ -42,7 +42,6 @@ Set the description for your website. Used in metadata shared with search engine
 Set a logo image to show in the navigation bar alongside or instead of the site title. You can either set a single `src` property or set separate image sources for `light` and `dark`.
 
 ```js
-// astro.config.mjs
 starlight({
 	logo: {
 		src: './src/assets/my-logo.svg',
@@ -73,7 +72,6 @@ Configure the table of contents shown on the right of each page. By default, `<h
 Enable “Edit this page” links by setting the base URL these should use. The final link will be `editLink.baseUrl` + the current page path. For example, to enable editing pages in the `withastro/starlight` repo on GitHub:
 
 ```js
-// astro.config.mjs
 starlight({
 	editLink: {
 		baseUrl: 'https://github.com/withastro/starlight/edit/main/',
@@ -99,7 +97,6 @@ Each item must have a `label` and one of the following properties:
 - `autogenerate` — an object specifying a directory of your docs to automatically generate a group of links from.
 
 ```js
-// astro.config.mjs
 starlight({
 	sidebar: [
 		// A single link item labelled “Home”.
@@ -132,8 +129,7 @@ Groups of links are expanded by default. You can change this behavior by setting
 
 Autogenerated subgroups respect the `collapsed` property of their parent group by default. Set the `autogenerate.collapsed` property to override this.
 
-```js {6,17}
-// astro.config.mjs
+```js {5,16}
 sidebar: [
   // A collapsed group of links.
   {
@@ -159,8 +155,7 @@ sidebar: [
 
 If your site is multilingual, each item’s `label` is considered to be in the default locale. You can set a `translations` property to provide labels for your other supported languages:
 
-```js {6,10,15}
-// astro.config.mjs
+```js {5,9,14}
 sidebar: [
   // An example sidebar with labels translated to Brazilian Portuguese.
   {
@@ -220,7 +215,6 @@ interface BadgeConfig {
 Each entry should use the directory where that language’s files are saved as the key.
 
 ```js
-// astro.config.mjs
 import { defineConfig } from 'astro/config';
 import starlight from '@astrojs/starlight';
 
@@ -285,8 +279,7 @@ The writing direction of this language; `"ltr"` for left-to-right (the default)
 
 You can serve the default language without a `/lang/` directory by setting a `root` locale:
 
-```js {4-7}
-// astro.config.mjs
+```js {3-6}
 starlight({
 	locales: {
 		root: {
@@ -321,7 +314,6 @@ import SocialLinksType from '../../../components/social-links-type.astro';
 Optional details about the social media accounts for this site. Adding any of these will display them as icon links in the site header.
 
 ```js
-// astro.config.mjs
 starlight({
 	social: {
 		codeberg: 'https://codeberg.org/knut/examples',
@@ -348,7 +340,6 @@ Provide CSS files to customize the look and feel of your Starlight site.
 Supports local CSS files relative to the root of your project, e.g. `'./src/custom.css'`, and CSS you installed as an npm module, e.g. `'@fontsource/roboto'`.
 
 ```js
-// astro.config.mjs
 starlight({
 	customCss: ['./src/custom-styles.css', '@fontsource/roboto'],
 });
@@ -365,8 +356,7 @@ See the [“Code blocks” guide](/guides/authoring-content/#code-blocks) to lea
 You can use any of the standard [Expressive Code configuration options](https://github.com/expressive-code/expressive-code/blob/main/packages/astro-expressive-code/README.md#configuration) as well as some Starlight-specific properties, by setting them in Starlight’s `expressiveCode` option.
 For example, set Expressive Code’s `styleOverrides` option to override the default CSS. This enables customizations like giving your code blocks rounded corners:
 
-```js ins={3-5}
-// astro.config.mjs
+```js ins={2-4}
 starlight({
 	expressiveCode: {
 		styleOverrides: { borderRadius: '0.5rem' },
@@ -376,8 +366,7 @@ starlight({
 
 If you want to disable Expressive Code, set `expressiveCode: false` in your Starlight config:
 
-```js ins={3}
-// astro.config.mjs
+```js ins={2}
 starlight({
 	expressiveCode: false,
 });
@@ -430,7 +419,6 @@ Add custom tags to the `<head>` of your Starlight site.
 Can be useful for adding analytics and other third-party scripts and resources.
 
 ```js
-// astro.config.mjs
 starlight({
 	head: [
 		// Example: add Fathom analytics script tag.
@@ -482,7 +470,6 @@ A page can override this setting or the link text and/or URL using the [`prev`](
 Set the path of the default favicon for your website which should be located in the `public/` directory and be a valid (`.ico`, `.gif`, `.jpg`, `.png`, or `.svg`) icon file.
 
 ```js
-// astro.config.mjs
 starlight({
   favicon: '/images/favicon.svg',
 }),
@@ -491,7 +478,6 @@ starlight({
 If you need to set additional variants or fallback favicons, you can add tags using the [`head` option](#head):
 
 ```js
-// astro.config.mjs
 starlight({
   favicon: '/images/favicon.svg'.
   head: [
@@ -525,7 +511,6 @@ For example, this page is titled “Configuration Reference” and this site is
 Provide the paths to components to override Starlight’s default implementations.
 
 ```js
-// astro.config.mjs
 starlight({
 	components: {
 		SocialLinks: './src/components/MySocialLinks.astro',