remove debug trace displayed as info when generating a project from an old artifact

[INFO] ********************* End of debug info from resources from generated POM ***********************

[INFO] ---------------------------------------------------------------------------- 
[INFO] Using following parameters for creating project from Old (1.x) Archetype: maven-archetype-quickstart:1.1 
[INFO] ---------------------------------------------------------------------------- 
[INFO] Parameter: groupId, Value: gr 
[INFO] Parameter: packageName, Value: gr 
[INFO] Parameter: basedir, Value: /home/herve/tmp 
[INFO] Parameter: package, Value: gr 
[INFO] Parameter: version, Value: 1.0-SNAPSHOT 
[INFO] Parameter: artifactId, Value: a 
[INFO] ********************* End of debug info from resources from generated POM *********************** 
[INFO] project created from Old (1.x) Archetype in dir: /home/herve/tmp/a