Use the db:seed task to load languages

This is seed data that should reasonably be loaded into every database,
even those that are otherwise empty (e.g. no geo data). Using the seeds
process means that it will usually be loaded by default, and is easier
to find for existing rails developers.

.rubocop.yml

@@ -37,7 +37,6 @@ Metrics/ModuleLength:
 Naming/FileName:
   Exclude:
     - 'script/deliver-message'
-    - 'script/locale/reload-languages'
     - 'script/update-spam-blocks'
 
 Naming/MethodParameterName:

db/seeds.rb

@@ -5,3 +5,5 @@
 #
 #   movies = Movie.create([{ name: 'Star Wars' }, { name: 'Lord of the Rings' }])
 #   Character.create(name: 'Luke', movie: movies.first)
+
+Language.load(Rails.root.join("config/languages.yml"))

script/locale/reload-languages

@@ -1,5 +0,0 @@
-#!/usr/bin/env ruby
-
-require File.dirname(__FILE__) + "/../../config/environment"
-
-Language.load(RAILS_ROOT + "/config/languages.yml")