Provide SQL migrations for the removal of host aliases

We can start providing SQL migrations now that the API and database
have largely settled.

Change-Id: I764c5ea473cbcc291bab2c7cd061cd78b34c7211

ara/api/migrations/0001_initial.py

@@ -1,20 +1,4 @@
-#  Copyright (c) 2019 Red Hat, Inc.
-#
-#  This file is part of ARA Records Ansible.
-#
-#  ARA is free software: you can redistribute it and/or modify
-#  it under the terms of the GNU General Public License as published by
-#  the Free Software Foundation, either version 3 of the License, or
-#  (at your option) any later version.
-#
-#  ARA is distributed in the hope that it will be useful,
-#  but WITHOUT ANY WARRANTY; without even the implied warranty of
-#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-#  GNU General Public License for more details.
-#
-#  You should have received a copy of the GNU General Public License
-#  along with ARA.  If not, see <http://www.gnu.org/licenses/>.
-# Generated by Django 2.2.1 on 2019-05-23 14:26
+# Generated by Django 2.2.1 on 2019-05-17 10:13
 
 from django.db import migrations, models
 import django.db.models.deletion
@@ -62,6 +46,7 @@ class Migration(migrations.Migration):
                 ('updated', models.DateTimeField(auto_now=True)),
                 ('name', models.CharField(max_length=255)),
                 ('facts', models.BinaryField(max_length=4294967295)),
+                ('alias', models.CharField(max_length=255, null=True)),
                 ('changed', models.IntegerField(default=0)),
                 ('failed', models.IntegerField(default=0)),
                 ('ok', models.IntegerField(default=0)),

ara/api/migrations/0002_remove_host_alias.py

@@ -0,0 +1,17 @@
+# Generated by Django 2.2.1 on 2019-05-23 17:34
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('api', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='host',
+            name='alias',
+        ),
+    ]