Remove the feature flag bulk_cron_worker_auto_requeue

What does this MR do and why?

This MR will clean up the feature_flag bulk_cron_worker_auto_requeue

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How to set up and validate locally

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.

Related to #383076 (closed)