[entity:delete] Add --all option. (#3599) (#145)

* [entity:delete] Add --all option. (#3599)

* [entity:delete] Add confirm message for --all. (#3599)

translations/entity.delete.yml

@@ -3,13 +3,17 @@ help: 'The <info>entity:delete</info> command helps you delete entities.'
 arguments:
   entity-definition-id: 'Entity definition id'
   entity-id: 'Entity ID to be deleted'
+options:
+  all: 'Delete all entities of the given type.'
 questions:
   entity-type: 'Enter the Entity type'
   entity-definition-id: 'Enter the  Entity definitin id'
   entity-id: 'Enter the  Entity ID to be deleted'
 messages:
+  confirm-delete-all: 'Do you want to delete all entities of type %s (%d)?'
   deleted: 'Entity %s with id %s was deleted successfully'
+  deleted-all: 'All entities of type %s (%d) were deleted.'
 examples:
   - description: 'Delete entity type content using node id'
     execution: |
-      drupal entity:delete node 1
+      drupal entity:delete node 1