Delete old migration files.

migration_templates/d5_node_setting_promote.yml

-id: d5_node_setting_promote
-label: Drupal 5 node type 'promote' setting
-migration_tags:
-  - Drupal 5
-source:
-  plugin: d6_node_type
-  constants:
-    entity_type: node
-    field_name: promote
-process:
-  entity_type: 'constants/entity_type'
-  bundle: type
-  field_name: 'constants/field_name'
-  'default_value/0/value': 'options/promote'
-destination:
-  plugin: entity:base_field_override
-migration_dependencies:
-  required:
-    - d5_node_type

migration_templates/d5_node_setting_status.yml

-id: d5_node_setting_status
-label: Drupal 5 node type 'status' setting
-migration_tags:
-  - Drupal 5
-source:
-  plugin: d6_node_type
-  constants:
-    entity_type: node
-    field_name: status
-process:
-  entity_type: 'constants/entity_type'
-  bundle: type
-  field_name: 'constants/field_name'
-  'default_value/0/value': 'options/status'
-destination:
-  plugin: entity:base_field_override
-migration_dependencies:
-  required:
-    - d5_node_type

migration_templates/d5_node_setting_sticky.yml

-id: d5_node_setting_sticky
-label: Drupal 5 node type 'sticky' setting
-migration_tags:
-  - Drupal 5
-source:
-  plugin: d6_node_type
-  constants:
-    entity_type: node
-    field_name: sticky
-process:
-  entity_type: 'constants/entity_type'
-  bundle: type
-  field_name: 'constants/field_name'
-  'default_value/0/value': 'options/sticky'
-destination:
-  plugin: entity:base_field_override
-migration_dependencies:
-  required:
-    - d5_node_type