refactor: remove bs-asahi campaign

pages/index.tsx

@@ -23,14 +23,7 @@ import QuestionContainer from 'components/organisms/questions/Container'
 import { termOfServices } from 'constants/termOfService'
 import styles from 'styles/Home.module.scss'
 
-const campaigns: (CampaignItem | never)[] = [
-  {
-    imgSrc: 'https://jibungoto-planet-images.s3.ap-northeast-1.amazonaws.com/Campaign/bs-asahi-campaign.png',
-    description: 'BS朝日「地球クライシス」にてキャンペーン実施中！じぶんごとプラネットを活用して気候変動対策に取り組もう',
-    alt: 'BS朝日「地球クライシス」',
-    url: 'https://www.bs-asahi.co.jp/chikyunoashita2023/cp/\n'
-  }
-]
+const campaigns: (CampaignItem | never)[] = []
 
 const Home: FC = () => {
   const [isMobile] = useMediaQuery('(max-width: 480px)')