Fixed deleting email recipient failures before recipients

fixes https://github.com/TryGhost/Team/issues/2993

For the bulk destroy action of posts.

ghost/posts-service/lib/PostsService.js

@@ -100,8 +100,8 @@ class PostsService {
             'posts_products'
         ];
         const emailTablesToDelete = [
-            'email_recipients',
             'email_recipient_failures',
+            'email_recipients',
             'email_batches',
             'email_spam_complaint_events'
         ];