Removed daily_cleanup.py script as per deprecation TL.

django/bin/daily_cleanup.py

-#!/usr/bin/env python
-
-"""
-Daily cleanup job.
-
-Can be run as a cronjob to clean out old data from the database (only expired
-sessions at the moment).
-"""
-
-import warnings
-
-from django.core import management
-
-if __name__ == "__main__":
-    warnings.warn(
-        "The `daily_cleanup` script has been deprecated "
-        "in favor of `django-admin.py clearsessions`.",
-        DeprecationWarning)
-    management.call_command('clearsessions')