⏪ Roll back new-event page (#69)

### 📝 작업 내용

- 일정 생성 페이지를 롤백했습니다.

### 📸 스크린샷 (선택)

### 🚀 리뷰 요구사항 (선택)

Author: jun-0411

package.json

@@ -36,7 +36,6 @@
     "react-aria-components": "^1.14.0",
     "react-day-picker": "^9.13.0",
     "react-dom": "^19.1.0",
-    "react-hook-form": "^7.71.1",
     "react-intersection-observer": "^10.0.2",
     "react-router": "^7.11.0",
     "sonner": "^2.0.7",

src/components/ui/item.tsx

@@ -7,6 +7,6 @@ export const GOOGLE_AUTH_URL = `https://accounts.google.com/o/oauth2/v2/auth?cli
 }&redirect_uri=${REDIRECT_URI_BASE}/google&response_type=code&scope=openid email profile`;
 
 // 카카오 인증 URL
-export const KAKAO_AUTH_URL = `https://kauth.kakao.com/oauth/authorize?client_id=${
-  import.meta.env.VITE_KAKAO_CLIENT_ID
-}&redirect_uri=${REDIRECT_URI_BASE}/kakao&response_type=code`;
+// export const KAKAO_AUTH_URL = `https://kauth.kakao.com/oauth/authorize?client_id=${
+//   import.meta.env.VITE_KAKAO_CLIENT_ID
+// }&redirect_uri=${REDIRECT_URI_BASE}/kakao&response_type=code`;