fix: Delete cronjobs when pruning disabled and actually reconcile scheduler corncobs

[Sovietaced]

Fixes #337

• Reconcile scheduler pruner cron jobs
• Update logic to delete previously enabled cron jobs when pruning is disabled. Otherwise, disabling pruning does nothing and the jobs will continue to run.

Type of change

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• Bugfix
• Feature
• Code Style Update (formatting, renaming)
• Refactor (code changes that do not fix a bug or add a feature)
• Documentation Update
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How Has This Been Tested?

See unit tests.

Checklist:

• My code follows the style guidelines of this project.
• I have performed a self-review of my code.
• I have commented on my code, particularly in hard-to-understand areas.
• I have made corresponding changes to the documentation.
• My changes generate no new warnings.
• I have added tests that prove my fix is effective or that my feature works.
• New and existing unit tests pass locally with my changes.
• Any dependent changes have been merged and published in downstream modules.