Move config option to a better place

app/models/application_record.rb

@@ -9,6 +9,7 @@ class ApplicationRecord < ActiveRecord::Base
   include ArelHelpers::JoinAssociation
 
   self.abstract_class = true
+  self.include_root_in_json = true
 
   def self.image_service
     ENV["S3_BUCKET"].present? ? :amazon_public : :local

config/environment.rb

@@ -3,5 +3,3 @@ require_relative "application"
 
 # Initialize the Rails application.
 Rails.application.initialize!
-
-ActiveRecord::Base.include_root_in_json = true