Rename last uses of Buildbox to Buildkite

app/models/project.rb

@@ -81,7 +81,7 @@ class Project < ActiveRecord::Base
   has_one :asana_service, dependent: :destroy
   has_one :gemnasium_service, dependent: :destroy
   has_one :slack_service, dependent: :destroy
-  has_one :buildbox_service, dependent: :destroy
+  has_one :buildkite_service, dependent: :destroy
   has_one :bamboo_service, dependent: :destroy
   has_one :teamcity_service, dependent: :destroy
   has_one :pushover_service, dependent: :destroy

app/models/project_services/buildkite_service.rb

@@ -20,9 +20,7 @@
 
 require "addressable/uri"
 
-# Buildbox renamed to Buildkite, but for backwards compatability with the STI
-# of Services, the class name is kept as "Buildbox"
-class BuildboxService < CiService
+class BuildkiteService < CiService
   ENDPOINT = "https://buildkite.com"
 
   prop_accessor :project_url, :token

app/models/service.rb

@@ -125,7 +125,7 @@ class Service < ActiveRecord::Base
       asana
       assembla
       bamboo
-      buildbox
+      buildkite
       campfire
       custom_issue_tracker
       emails_on_push

spec/models/project_services/buildkite_service_spec.rb

@@ -19,7 +19,7 @@
 
 require 'spec_helper'
 
-describe BuildboxService do
+describe BuildkiteService do
   describe 'Associations' do
     it { is_expected.to belong_to :project }
     it { is_expected.to have_one :service_hook }
@@ -32,7 +32,7 @@ describe BuildboxService do
         default_branch: 'default-brancho'
       )
 
-      @service = BuildboxService.new
+      @service = BuildkiteService.new
       @service.stub(
         project: @project,
         service_hook: true,