Deletes for OCLC

[jgreben]

Divide records into three groups as specified on #912 and submit API request to unset holdings if Record has one or none unique OCLC record id.

[jermnelson]

Use Bookops Worldcat unset holdings API as described here https://bookops-cat.github.io/bookops-worldcat/latest/manage_holdings/#set-and-unset-holdings.

• Change https://github.com/sul-dlss/libsys-airflow/blob/f02ac4b7538e30e2189bcbd694db8e7330d07a0a/libsys_airflow/plugins/data_exports/marc/oclc.py#L43 with an additional key for deletes, could rename them to something that makes better sense
• Change https://github.com/sul-dlss/libsys-airflow/blob/f02ac4b7538e30e2189bcbd694db8e7330d07a0a/libsys_airflow/plugins/data_exports/marc/oclc.py#L170-L178 to include DELETE marc records and write to the filesystem using the same pattern

[shelleydoljack]

@jermnelson I think you are working on this with your draft PR?

[jermnelson]

I'm working on the OCLC selection DAG to support deletes; this ticket is for the actual OCLC API calls to support deletes in the OCLC transmission DAG.