imports.rake(notify_parent): Use `ParentNotifier`

Replace `ParentImportNotifier` with the new generalised
`ParentNotifier`. This will allow us to use the same service for parent
notification of both imports and compliance check sets.

Delete the `ParentImportNotifier` class and spec as these are now
superseded by `ParentNotifier`.

Refs #4758

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/tasks/imports.rake b/lib/tasks/imports.rake
index 6bc84acc8..55e017e7f 100644
--- a/lib/tasks/imports.rake
+++ b/lib/tasks/imports.rake
@@ -1,6 +1,6 @@
 namespace :import do
   desc "Notify parent imports when children finish"
   task notify_parent: :environment do
-    ParentImportNotifier.notify_when_finished
+    ParentNotifier.new(Import).notify_when_finished
   end
 end