Merge pull request #3623 from riking/patch-6

FIX: Change post owner of deleted post, take 3

app/services/post_owner_changer.rb

@@ -16,7 +16,6 @@ class PostOwnerChanger
         @topic.user = @new_owner if post.is_first_post?
 
         if post.user == nil
-          post.recover!
           @topic.recover! if post.is_first_post?
         end
         post.topic = @topic

spec/controllers/topics_controller_spec.rb

@@ -258,7 +258,6 @@ describe TopicsController do
         t2.reload
         p3.reload
         expect(t2.deleted_at).to be_nil
-        expect(p3.deleted_at).to be_nil
         expect(p3.user).to eq(user_a)
       end
     end