Fix remaining JSONB references

src/lib/photoHelpers.ts

@@ -32,18 +32,6 @@ export function isReviewWithPhotos(content: any): boolean {
   );
 }
 
-/**
- * Type guard: Check if content is a photo submission with JSONB photos
- */
-export function isPhotoSubmissionWithJsonb(content: any): boolean {
-  return (
-    content &&
-    typeof content === 'object' &&
-    content.content &&
-    Array.isArray(content.content.photos) &&
-    content.content.photos.length > 0
-  );
-}
 
 /**
  * Normalize photo data from any source to PhotoItem[]