Remove the unused createsuperuser script

bin/createsuperuser.py

-#!/usr/bin/env python
-"""
-Script that creates a superuser for review apps in Kubernetes.
-See kubernetes/run.sh for details.
-"""
-
-import os
-
-import django
-from django.contrib.auth import get_user_model
-
-
-os.environ.setdefault("DJANGO_SETTINGS_MODULE", "opentech.settings.production")
-django.setup()
-
-User = get_user_model()
-username = 'admin'
-password = 'admin'
-email = 'admin@localhost'
-
-if not User.objects.filter(username=username, email=email).exists():
-    User.objects.create_superuser(username=username, email=email, password=password)