T5660: Remove redundant calls to config dependency scripts

[jestabro]

Change Summary

NOTE: this requires the companion PR for vyatta-cfg: vyos/vyatta-cfg#78

This is a combined backport of those commits related to pruning redundancies in the list of config dependencies.

Tested with testd, smoketests running under vyos-configd.

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):

Related Task(s)

• https://vyos.dev/T5836
• https://vyos.dev/T5839
• https://vyos.dev/T6276

Related PR(s)

vyos/vyatta-cfg#78

Component(s) name

Proposed changes

How to test

Smoketest result

Checklist:

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