As origin type attribute will be removed in favor of visit type attribute, remove any reference of it in swh-web codebase and use visit type instead.
As a consequence, the web api endpoint [[ https://archive.softwareheritage.org/api/1/origin/ | /api/1/origin/(origin_type)/url/(origin_url)/ ]] has been removed.
I can add it back for backward compatibility if needed but considering it has been marked as deprecated since a couple of months, I do not think it is necessary.
Related T1891