fix: remove AI Aggregator toggle (was created by mistake)

The job aggregator is a backend service, not a frontend toggle.
Removing the unnecessary UI toggle from Organization Preferences.

Author: nmajutee

src/constants/PREFERENCES.ts

@@ -544,14 +544,6 @@ export const PREFERENCES_TOGGLES = [
     subtitle: 'Do you offer payment in crypto?',
     value: 'OFF',
   },
-
- // AI Aggregator preference toggle to ON
-  {
-    key: 'AI_AGGREGATOR',
-    title: 'AI Aggregator',
-    subtitle: 'Enable AI Aggregator features.',
-    value: 'ON',
-  },
 ];
 
 export const PREFERENCES_CULTURE_QUESTIONS = [