Removes Gitlab::Metrics usage from StuckImportJobsWorker
What does this MR do?
Removes the Metrics from StuckImportJobsWorker
Why was this MR needed?
Quoting @yorickpeterse : "This will blow up influxdb because tags are indexed. In this case the values are arbitrary so it will create a ton of series."
What are the relevant merge request numbers?
https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/2628#note_38063527