[artifactory] values.yaml minor fixes

[dfgrosso]

the last property group, router, was misplaced and the postgres group is duplicated

PR Checklist

[Place an '[x]' (no spaces) in all applicable fields. Please remove unrelated fields.]

• [ ] Chart Version bumped
• [ ] CHANGELOG.md updated
• [ ] Variables and other changes are documented in the README.md
• [x] Title of the PR starts with chart name (e.g. [artifactory])

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Which issue this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close that issue when PR gets merged): fixes #

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[dfgrosso]

I have read the CLA Document and I hereby sign the CLA