Remove temporary code from Poppy update after launch

[marlo-longley]

This appears in 2 files:

• app/jobs/submit_folio_patron_request_job.rb

  • [ ] remove poppy_request key/value

• app/services/folio_client.rb

  • [ ] remove okapi_version method
  • [ ] remove poppy? method
  • [ ] remove comment and poppy_request key
  • [ ] remove conditional
  • [ ] remove option added via .merge

[dnoneill]

closed with https://github.com/sul-dlss/sul-requests/commit/5dc16e7447a1bf4d0a71ed0aa187e4e79aa7aee6