You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: install_notes.rb
    path of file: ./repos/motor-admin-rails/lib/generators/motor/templates
    
    the code of the file until where you have to start completion: class <%= migrat
    
  def self.down
    drop_table :motor_note_tag_tags
    drop_table :motor_note_tags
    drop_table :motor_notes
    drop_table :motor_notifications
    drop_table :motor_reminders
  end