chore(styles): removed z-index scss variables

[leagrdv]

No description provided.

[changeset-bot]

🦋 Changeset detected

Latest commit: 7a3fd63

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 16 packages

Name	Type
@swisspost/design-system-styles	Major
@swisspost/design-system-components-angular-workspace	Patch
@swisspost/design-system-components	Major
@swisspost/design-system-documentation	Patch
@swisspost/internet-header	Patch
@swisspost/design-system-intranet-header-workspace	Patch
@swisspost/design-system-nextjs-integration	Patch
@swisspost/design-system-styles-primeng-workspace	Patch
@swisspost/design-system-intranet-header	Major
@swisspost/design-system-styles-primeng	Major
@swisspost/design-system-components-react	Major
@swisspost/design-system-components-angular	Major
@swisspost/design-system-intranet-header-showcase	Patch
@swisspost/design-system-tokens	Major
@swisspost/design-system-icons	Major
@swisspost/design-system-migrations	Major

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[swisspost-bot]

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