Remove project-specific Pet Service Accounts

[tlangs]

Testing the removal of project-specific Pet Service Accounts.

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PR checklist

• I've followed the instructions if I've made any changes to the API, especially if they're breaking changes
• I've filled out the Security Risk Assessment (requires Broad Internal network access) and attached the result to the JIRA ticket

[sonarqubecloud]

Quality Gate passed

Issues
4 New issues
2 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
11.6% Duplication on New Code

See analysis details on SonarCloud