Remove the feature "send a workflow to an email address"

src/Bundle/ChillMainBundle/config/services.yaml

@@ -42,17 +42,6 @@ services:
         arguments:
             $handlers: !tagged_iterator chill_main.workflow_handler
 
-    Chill\MainBundle\Workflow\EventSubscriber\SendAccessKeyEventSubscriber:
-        autoconfigure: true
-        autowire: true
-        tags:
-            -
-                name: 'doctrine.orm.entity_listener'
-                event: 'postPersist'
-                entity: 'Chill\MainBundle\Entity\Workflow\EntityWorkflowStep'
-                # set the 'lazy' option to TRUE to only instantiate listeners when they are used
-                lazy: true
-
     # other stuffes
 
     chill.main.helper.translatable_string: