feat: update recipe detail screen to display image as background only

flutter/lib/features/recipes/presentation/recipe_detail_screen.dart

@@ -152,19 +152,7 @@ class _RecipeBody extends StatelessWidget {
       child: Column(
         crossAxisAlignment: CrossAxisAlignment.start,
         children: [
-          if (recipe.imageUrl != null)
-            ClipRRect(
-              borderRadius: BorderRadius.circular(12),
-              child: AspectRatio(
-                aspectRatio: 16 / 9,
-                child: Image.network(
-                  recipe.imageUrl!,
-                  fit: BoxFit.cover,
-                  errorBuilder: (_, __, ___) => const SizedBox.shrink(),
-                ),
-              ),
-            ),
-          if (recipe.imageUrl != null) const SizedBox(height: 20),
+          // Bilden visas endast som bakgrund i detaljvyn
           Text(recipe.title, style: theme.textTheme.headlineSmall),
           if (recipe.description != null) ...[
             const SizedBox(height: 8),