deliver_later for controller actions.

app/models/candidate.rb

@@ -40,19 +40,6 @@ class Candidate < ApplicationRecord
     "#{my_status.progress}%"
   end
 
-  # FIXME: This feels wrong here. Mail deliveries should be in controller.
-  #        Privatize in QuizController
-  #        also, bang methods in ruby do an action and replace, or return nil
-  def complete!
-    if update_attributes(completed: true)
-      CandidateMailer.submitted(self).deliver_now
-      RecruiterMailer.candidate_submitted(self).deliver_now
-      ReviewerMailer.candidate_submission(self).deliver_now
-      return true
-    end
-    false
-  end
-
   private
 
     def generate_test_hash