Reset testproj migrations

Heroku deployment issues...

testproj/todo/migrations/0001_initial.py

@@ -1,6 +1,4 @@
-# -*- coding: utf-8 -*-
-# Generated by Django 1.11 on 2018-02-21 23:26
-from __future__ import unicode_literals
+# Generated by Django 2.0.1 on 2018-03-18 18:32
 
 from django.db import migrations, models
 import django.db.models.deletion