[1.2.X] Fixed #14356. Remove some dead imports from...

import re

from django.conf import settings

from django.contrib.contenttypes import generic

from django.core.management.base import CommandError

from django.dispatch import dispatcher

from django.db import models

from django.db.models import get_models

from django.db.backends.util import truncate_name

def sql_create(app, style, connection):

    "Returns a list of the CREATE TABLE SQL statements for the given app."