Added delete buttons to InstalledIntegrations

webapp/utils/constants.jsx

@@ -68,10 +68,13 @@ export default {
         RECEIVED_PREFERENCE: null,
         RECEIVED_PREFERENCES: null,
         RECEIVED_FILE_INFO: null,
+
         RECEIVED_INCOMING_WEBHOOKS: null,
         RECEIVED_INCOMING_WEBHOOK: null,
+        REMOVED_INCOMING_WEBHOOK: null,
         RECEIVED_OUTGOING_WEBHOOKS: null,
         RECEIVED_OUTGOING_WEBHOOK: null,
+        REMOVED_OUTGOING_WEBHOOK: null,
 
         RECEIVED_MSG: null,