Update hacs.json

Author: wessamlauf

hacs.json

@@ -2,9 +2,6 @@
   "name": "Frosted Glass Themes",
   "render_readme": true,
   "hide_default_branch": true,
-  "persistent_url": "https://github.com/wessamlauf/homeassistant-frosted-glass-themes",
-  "category": "theme",
   "homeassistant": "2025.6.3",
-  "domains": ["frontend"],
   "country": ["SK"]
 }