Change migration, allow users nulls (inherit from org)

db/migrate/20161014085122_add_builder_enabled_to_organizations.rb

@@ -4,10 +4,8 @@ Sequel.migration do
       add_column :builder_enabled, :boolean, null: false, default: false
     end
 
-    Rails::Sequel.connection.run('UPDATE users SET builder_enabled = true WHERE builder_enabled IS NULL')
     alter_table :users do
       set_column_default :builder_enabled, false
-      set_column_not_null :builder_enabled
     end
   end
 
@@ -17,7 +15,6 @@ Sequel.migration do
     end
 
     alter_table :users do
-      set_column_allow_null :builder_enabled
       set_column_default :builder_enabled, true
     end
   end