Remove parts of the track_deployment job that are now done by other jobs

Reuben Pereirarequested to merge
rp/remove-track-old into master

What does this MR do?

QA issue creation is now done by the create_qa_issue job, and metadata deployment is recorded by the record_metadata_deployment job.

gitlab-com/gl-infra/delivery#2133 (closed)

Author Check-list

  • Has documentation been updated?
Edited by Reuben Pereira

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