fix(tokens): update alias overrides and remove unused

[valentin-mladenov]

PR Checklist

Please check if your PR fulfills the following requirements:

• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)
• If applicable, have a visual design approval

PR Type

What kind of change does this PR introduce?

• Bugfix
• Feature
• Code style update (formatting, local variables)
• Refactoring (no functional changes, no api changes)
• Build related changes
• CI related changes
• Documentation content changes
• clarity.design website / infrastructure changes
• Other... Please describe:

What is the current behavior?

Issue Number: CDE-2387

What is the new behavior?

Rename --cds-alias-object-vertical-navigation-background-color tokens to cds-alias-object-interaction-background-shade.
Remove unused overrride tokens:

• --clr-nav-background-color
• --cds-global-color-blue-25
• --cds-alias-viz-severity-warning-light

Does this PR introduce a breaking change?

• Yes
• No

Other information

[github-actions]

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[valentin-mladenov]

Follow up of vmware-clarity/core#337

[github-actions]

Hi there 👋, this is an automated message. To help Clarity keep track of discussions, we automatically lock closed PRs after 14 days. Please look for another open issue or open a new issue with updated details and reference this one as necessary.