UBERF-4632: refactor activity classes structure (#4190)

Signed-off-by: Kristina Fefelova <kristin.fefelova@gmail.com>

plugins/task/src/index.ts

@@ -27,7 +27,6 @@ import {
   StatusCategory,
   Timestamp
 } from '@hcengineering/core'
-import { NotificationType } from '@hcengineering/notification'
 import type { Asset, IntlString, Plugin } from '@hcengineering/platform'
 import { plugin } from '@hcengineering/platform'
 import type { AnyComponent, ComponentExtensionId } from '@hcengineering/ui'
@@ -214,9 +213,6 @@ const task = plugin(taskId, {
     TodoItemsPopup: '' as AnyComponent,
     CreateStatePopup: '' as AnyComponent
   },
-  ids: {
-    AssigneedNotification: '' as Ref<NotificationType>
-  },
   extensions: {
     ProjectEditorExtension: '' as ComponentExtensionId
   }