Enforce logger file is always the default `error.log` as custom files are not supported

[kwin]

https://experienceleague.adobe.com/en/docs/experience-manager-cloud-service/content/implementing/developing/logging#configuration-loggers and https://experienceleague.adobe.com/en/docs/experience-manager-learn/cloud-service/debugging/debugging-aem-as-a-cloud-service/logs#custom-log-files

In the best case this would be enforced by the aemanalyser-maven-plugin. I therefore opened adobe/aemanalyser-maven-plugin#318.