Remove hirefire gem and config (#2196)

No longer using it in production

Gemfile

@@ -72,5 +72,4 @@ group :production do
   gem 'skylight', '4.2.0'
   gem 'lograge'
   gem 'puma_worker_killer'
-  gem 'hirefire-resource'
 end

Gemfile.lock

@@ -140,7 +140,6 @@ GEM
       minitest (>= 3.0)
     hashdiff (1.0.0)
     hashie (3.6.0)
-    hirefire-resource (0.7.3)
     i18n (1.8.2)
       concurrent-ruby (~> 1.0)
     jaro_winkler (1.5.4)
@@ -398,7 +397,6 @@ DEPENDENCIES
   git
   guard
   guard-minitest
-  hirefire-resource
   jbuilder
   jquery-rails
   jwt

config/initializers/hirefire_resource.rb

@@ -1,7 +0,0 @@
-if Rails.application.secrets.hirefire_token.present?
-  HireFire::Resource.configure do |config|
-    config.dyno(:worker) do
-      HireFire::Macro::Sidekiq.queue
-    end
-  end
-end

config/secrets.yml

@@ -18,7 +18,6 @@ default: &default
   bugsnag_js_api_key:    <%= ENV['BUGSNAG_JS_API_KEY']    %>
   github_webhook_secret: <%= ENV['GITHUB_WEBHOOK_SECRET'] %>
   github_app_id:         <%= ENV['GITHUB_APP_ID']         %>
-  hirefire_token:        <%= ENV['HIREFIRE_TOKEN']        %>
   github_app_client_id:      <%= ENV['GITHUB_APP_CLIENT_ID']      %>
   github_app_client_secret:  <%= ENV['GITHUB_APP_CLIENT_SECRET']  %>
   open_collective_api_key:  <%= ENV['OPEN_COLLECTIVE_API_KEY']    %>