Evaluate and Remove index `index_vulnerability_occurrences_on_uuid_1`

Related to Reduce the number of vulnerability management i... (#465871 - closed)

index_vulnerability_occurrences_on_uuid_1: See the above comment. This is a duplicate of the above index named index_vuln_findings_on_uuid_including_vuln_id_1 and can be dropped. !155287 (closed)