[mod] remove useless stuff

representatives/management/commands/import_representatives_no_preserve.py

@@ -4,8 +4,5 @@ from django.core.management.base import BaseCommand
 from representatives.utils import import_representatives_from_format
 
 class Command(BaseCommand):
-    args = '<poll_id poll_id ...>'
-    help = 'Closes the specified poll for voting'
-
     def handle(self, *args, **options):
         import_representatives_from_format(json.load(sys.stdin))