Clean up patches Part VIII

* removing burndown days

app/models/burndown_day.rb

@@ -1,5 +0,0 @@
-class BurndownDay < ActiveRecord::Base
-    unloadable
-    belongs_to :version
-
-end

db/migrate/20111014073605_drop_burndown_days.rb

@@ -0,0 +1,9 @@
+class DropBurndownDays < ActiveRecord::Migration
+  def self.up
+    drop_table :burndown_days
+  end
+
+  def self.down
+    raise ActiveRecord::IrreversibleMigration
+  end
+end