Revert: "Ensure only one deployment run at once on release-environment"

What does this MR do and why?

Revert "Merge branch 'madelacruz/ensure-only-one-release-environment-deployment-at-a-time' into 'master'"

This reverts merge request !152491 (merged)

The mentioned MR has caused the pipeline to fail (e.g.), because it seems before_script is not supported for trigger job.

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