Update production.rb to use :google GCS config

fixes #1478 

Note there are TWO configs and we want :google for GCS to work.

run/rails/config/environments/production.rb

@@ -46,7 +46,7 @@
   # config.action_cable.mount_path = nil
   # config.action_cable.url = 'wss://example.com/cable'
   # config.action_cable.allowed_request_origins = [ 'http://example.com', /http:\/\/example.*/ ]
-  config.active_storage.service = :local
+  # config.active_storage.service = :local
 
   # Force all access to the app over SSL, use Strict-Transport-Security, and use secure cookies.
   # config.force_ssl = true