fix: Use native img tags for admin pages

- Replace next/image with native img tags in admin bottles, splits, tastings
- Remove hardcoded Supabase hostname from next.config.mjs
- Native img works with any hostname without config changes on deploy

next.config.mjs

@@ -10,15 +10,6 @@ const nextConfig = {
             bodySizeLimit: '10mb',
         },
     },
-    images: {
-        remotePatterns: [
-            {
-                protocol: 'https',
-                hostname: 'supaapi.cloud.fluffigewolke.de',
-                pathname: '/storage/v1/object/public/**',
-            },
-        ],
-    },
 };
 
 // Wrap with Sentry only if DSN is configured