migrate hyrax callbacks to hyrax events bus

[rococodogs]

• see config/initializers/hyrax_callbacks.rb
• guide from hyrax: https://github.com/samvera/hyrax/wiki/Hyrax's-Event-Bus-(Hyrax::Publisher)#replacing-hyraxcallbacks
• Hyrax::Publisher source https://github.com/samvera/hyrax/blob/v3.4.2/lib/hyrax/publisher.rb