Update apps_altstore.json

Remove empty field per #8

Author: TestAccountFooBar

apps_altstore.json

@@ -3,7 +3,6 @@
   "subtitle": "TrollStore-IPAs",
   "description": "An ipa repo.",
   "iconURL": "https://raw.githubusercontent.com/Neoncat-OG/TrollStore-IPAs/refs/heads/main/com.apple.FinalCutApp.companion.png",
-  "headerURL": "",
   "website": "https://github.com/Neoncat-OG/TrollStore-IPAs",
   "tintColor": "#ffffff",
   "featuredApps": [],
@@ -18307,4 +18306,4 @@
     }
   ],
   "news": []
-}
+}