DEV: Apply syntax_tree formatting to db/*

db/migrate/20170512185227_create_topic_status_updates_again.rb

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-require 'migration/table_dropper'
+require "migration/table_dropper"
 
 class CreateTopicStatusUpdatesAgain < ActiveRecord::Migration[4.2]
   def up
@@ -16,7 +16,7 @@ class CreateTopicStatusUpdatesAgain < ActiveRecord::Migration[4.2]
       t.integer :category_id
     end
 
-    Migration::TableDropper.read_only_table('topic_status_updates')
+    Migration::TableDropper.read_only_table("topic_status_updates")
   end
 
   def down