Clean up build-parent pom.xml

[ge0ffrey]

The build-parent pom contains unused properties such as:

• jacoco? Or used by Sonar?
• exceptions for ban-duplicated-classes
• ...

Clean that up.

[ge0ffrey]

[WARNING] The artifact org.codehaus.mojo:sonar-maven-plugin:jar:3.7.0.1746 has been relocated to org.sonarsource.scanner.maven:sonar-maven-plugin:jar:3.7.0.1746: SonarQube plugin was moved to SonarSource organisation