Use BinaryField instead of our own EncryptedTextField which relied on cleartext and ciphertext being the same type.

- Legacy-Id: 16472

ietf/nomcom/migrations/0006_auto_20190716_1216.py

@@ -0,0 +1,21 @@
+# Copyright The IETF Trust 2019, All Rights Reserved
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.22 on 2019-07-16 12:16
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('nomcom', '0005_auto_20181008_0602'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='feedback',
+            name='comments',
+            field=models.BinaryField(verbose_name='Comments'),
+        ),
+    ]