refactor: clarify frontend model ownership

src/shared/lib/index.ts

@@ -8,4 +8,3 @@ export {
 	formatSnapshotTime,
 	instrumentLogoUrl,
 } from "./display";
-export { useImageFallback } from "./useImageFallback";

src/shared/lib/useImageFallback.ts

@@ -1,10 +0,0 @@
-import { useState } from "react";
-
-function useImageFallback() {
-	const [failed, setFailed] = useState(false);
-	const onError = () => setFailed(true);
-
-	return { failed, onError };
-}
-
-export { useImageFallback };