Delete unused old StreamColor model.

zerver/migrations/0010_delete_streamcolor.py

@@ -0,0 +1,21 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('zerver', '0009_add_missing_migrations'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='streamcolor',
+            name='subscription',
+        ),
+        migrations.DeleteModel(
+            name='StreamColor',
+        ),
+    ]

zerver/models.py

@@ -1293,19 +1293,6 @@ class DefaultStream(models.Model):
     class Meta(object):
         unique_together = ("realm", "stream")
 
-# FIXME: The foreign key relationship here is backwards.
-#
-# We can't easily get a list of streams and their associated colors (if any) in
-# a single query.  See zerver.views.gather_subscriptions for an example.
-#
-# We should change things around so that is possible.  Probably this should
-# just be a column on Subscription.
-class StreamColor(models.Model):
-    DEFAULT_STREAM_COLOR = "#c2c2c2"
-
-    subscription = models.ForeignKey(Subscription)
-    color = models.CharField(max_length=10)
-
 class Referral(models.Model):
     user_profile = models.ForeignKey(UserProfile)
     email = models.EmailField(blank=False, null=False)