Removed SCM privatelink since it breaks DNS resolution

[egnirra]

Overview/Summary

The introduction of scm.privatelink.azurewebsites.net DNS zone breaks DNS resolution for the SCM endpoints.
Since by default it resolves via privatelink.azurewebsites.net already, there is no reason for the SCM zone to exist.

This PR fixes/adds/changes/removes

1. v6.0.0 - introduction of the scm.privatelink.azurewebsites.net private dns zone appears to break DNS lookups for App Service kudu endpoint #1064

Breaking Changes

1. It unbreaks this breaking change.

Testing Evidence

Please provide any testing evidence to show that your Pull Request works/fixes as described and planned (include screenshots, if appropriate).

It's known to work, i don't want to break my env again just to prove it :)

As part of this Pull Request I have

• Checked for duplicate Pull Requests
• Associated it with relevant issues, for tracking and closure.
• Ensured my code/branch is up-to-date with the latest changes in the main branch
• Performed testing and provided evidence.
• Updated relevant and associated documentation.

[matt-FFFFFF]

/azp run unit

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).