Remove podcast palette as this is no longer used by production (#14354)

* Remove podcast palette as this is no longer used by production

Author: abeddow91

dotcom-rendering/fixtures/manual/frontCollections.ts

@@ -221,7 +221,6 @@ export const testCollectionsUs = [
 	{
 		...defaultValues,
 		collectionType: 'fixed/medium/slow-VII',
-		containerPalette: 'PodcastPalette',
 		displayName: 'Podcasts',
 	},
 	{

dotcom-rendering/src/components/Card/Card.stories.tsx

@@ -1228,10 +1228,7 @@ const containerPalettes = [
 	'SombreAltPalette',
 	'SpecialReportAltPalette',
 	'Branded',
-] as const satisfies readonly Omit<
-	DCRContainerPalette,
-	'MediaPalette' | 'PodcastPalette'
->[];
+] as const satisfies readonly Omit<DCRContainerPalette, 'MediaPalette'>[];
 
 export const WithBranding = () => {
 	const branding = {

dotcom-rendering/src/components/CardHeadline.stories.tsx

@@ -446,7 +446,6 @@ const containerPalettes = [
 	'SpecialReportAltPalette',
 	'Branded',
 	'MediaPalette',
-	'PodcastPalette',
 ] as const satisfies readonly DCRContainerPalette[];
 export const WithContainerOverrides: StoryObj = ({ format }: StoryProps) => (
 	<>

dotcom-rendering/src/components/Carousel.stories.tsx

@@ -653,26 +653,3 @@ AllCards.storyName = 'Carousel with all card types';
 AllCards.decorators = [
 	splitTheme([defaultFormat], { orientation: 'vertical' }),
 ];
-
-export const FrontCarousel = () => (
-	<>
-		The front carousel was not included in an onwards content redesign, so
-		looks a bit different to the others.
-		<Section fullWidth={true}>
-			<Carousel
-				isOnwardContent={false}
-				heading="More on this story"
-				trails={trails}
-				onwardsSource="more-on-this-story"
-				leftColSize="compact"
-				url={'https://www.theguardian.com'}
-				discussionApiUrl={discussionApiUrl}
-				palette="PodcastPalette"
-				absoluteServerTimes={true}
-				renderingTarget="Web"
-			/>
-		</Section>
-	</>
-);
-
-FrontCarousel.storyName = 'Front carousel';