T6754: Delete Jenkins build packages

[sever-sever]

Change Summary

Delete Jenkins build packages

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Code style update (formatting, renaming)
• Refactoring (no functional changes)
• Migration from an old Vyatta component to vyos-1x, please link to related PR inside obsoleted component
• Other (please describe): Delete deprecated Jenkins packages

Related Task(s)

Component(s) name

Proposed changes

How to test

Checklist:

• I have read the CONTRIBUTING document
• I have linked this PR to one or more Phabricator Task(s)
• My commit headlines contain a valid Task id
• My change requires a change to the documentation
• I have updated the documentation accordingly

[github-actions]

👍
No issues in PR Title / Commit Title

[sever-sever]

@Mergifyio backport circinus

[mergify]

backport circinus

✅ Backports have been created

• #786 T6754: Delete Jenkins build packages (backport #781) has been created for branch circinus but encountered conflicts