Optimize import statements and remove unused imports across multiple files

This commit focuses on cleaning up import statements by:
- Removing unused imports
- Organizing import order
- Removing redundant imports
- Ensuring consistent import style across different modules

handlers/admin/admin_user_editor.py

@@ -16,8 +16,8 @@ from database import (
     get_key_details,
     get_keys,
     get_servers,
-    update_trial,
     update_key_expiry,
+    update_trial,
 )
 from filters.admin import IsAdminFilter
 from handlers.keys.key_utils import (