Revert force-static (#1157)

### Description

This cache optimization removed functionality related to the cart delay;
reverting

Author: AAorris

flags-sdk/growthbook/app/[code]/page.tsx

@@ -10,9 +10,6 @@ import { ProductDetailPageProvider } from '@/components/utils/product-detail-pag
 import { productFlags, showSummerBannerFlag } from '@/flags'
 import { Main } from '@/components/main'
 
-// We will precompute and rewrite to static variants.
-export const dynamic = 'force-static'
-
 export default async function Page(props: {
   params: Promise<{ code: string }>
 }) {