Moved emit-events mw into parent app

- Moved emit-events from shared to parent as it is not shared
- This file is only used in one place, this updates the code structure to reflect this
- This is one of many similar changes needed to make it easier to refactor to the existing setup

core/server/web/parent/app.js

@@ -25,7 +25,7 @@ module.exports = function setupParentApp(options = {}) {
     parentApp.use(mw.logRequest);
 
     // Register event emmiter on req/res to trigger cache invalidation webhook event
-    parentApp.use(shared.middlewares.emitEvents);
+    parentApp.use(mw.emitEvents);
 
     // enabled gzip compression by default
     if (config.get('compress') !== false) {

core/server/web/parent/middleware/index.js

@@ -1,4 +1,5 @@
 module.exports = {
+    emitEvents: require('./emit-events'),
     logRequest: require('./log-request'),
     requestId: require('./request-id')
 };

core/server/web/shared/middlewares/index.js

@@ -57,9 +57,5 @@ module.exports = {
 
     get updateUserLastSeen() {
         return require('./update-user-last-seen');
-    },
-
-    get emitEvents() {
-        return require('./emit-events');
     }
 };