Remove qualtrics usage temporarily

[lamATnginx]

Proposed changes

Remove the usage due to being unavailable temporarily.

Checklist

Before creating a PR, run through this checklist and mark each as complete.

• I have read the CONTRIBUTING document
• If applicable, I have added tests that prove my fix is effective or that my feature works
• If applicable, I have checked that any relevant tests pass after adding my changes
• I have updated any relevant documentation (README.md and CHANGELOG.md)

[github-actions]

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[lamATnginx]

Deployed to staging and verified no Qualtrics survey shows up at the bottom + no network calls are made.

For example: https://docs-staging.nginx.com/nginx/admin-guide/installing-nginx/installing-nginx-plus-microsoft-azure/