Removed ModelEventsAnalytics

refs https://linear.app/tryghost/issue/BIZ-6/[wip]-update-segment-events

- With the removal of the `integration.added` event, we have no more model events remaining to listen to for our analytics
- Removal of the function entirely seems the easier and more straightforward way

ghost/core/core/server/services/segment/index.js

@@ -3,9 +3,7 @@ const config = require('../../../shared/config');
 const sentry = require('../../../shared/sentry');
 const logging = require('@tryghost/logging');
 const DomainEvents = require('@tryghost/domain-events');
-const events = require('../../lib/common/events');
 
-const ModelEventsAnalytics = require('./ModelEventsAnalytics');
 const DomainEventsAnalytics = require('./DomainEventsAnalytics');
 
 module.exports.init = function () {
@@ -22,18 +20,6 @@ module.exports.init = function () {
         logging
     });
 
-    const modelEventsAnalytics = new ModelEventsAnalytics({
-        analytics,
-        trackDefaults,
-        prefix,
-        exceptionHandler: sentry,
-        events,
-        logging
-    });
-
-    // Listen to model events
-    modelEventsAnalytics.subscribeToEvents();
-
     // Listen to domain events
     subscribeToDomainEvents.subscribeToEvents();
 };