🔥 Remove "retired" state

It's handled by having stock === 0

src/lib/types/Product.ts

@@ -7,7 +7,7 @@ export interface Product extends Timestamps {
 	description: string;
 	price: number;
 	kind: 'armchair' | 'cushion' | 'chair' | 'couch' | 'tufting';
-	state: 'draft' | 'published' | 'retired';
+	state: 'draft' | 'published';
 	stock: number;
 
 	photos: Picture[];

src/routes/admin/produits/[id]/+page.svelte

@@ -26,7 +26,6 @@
 			<select name="state" value={data.product.state} class="block input">
 				<option value="draft" selected={data.product.state === 'draft'}>Privé</option>
 				<option value="published" selected={data.product.state === 'published'}>Public</option>
-				<option value="retired" selected={data.product.state === 'retired'}>Vendu</option>
 			</select>
 		</label>
 		<label class="block w-full mt-4 leading-8">