try different clean

Signed-off-by: olivier lamy <olamy@apache.org>
diff --git a/vars/asfStandardBuild.groovy b/vars/asfStandardBuild.groovy
index 9688967..f2d2689 100644
--- a/vars/asfStandardBuild.groovy
+++ b/vars/asfStandardBuild.groovy
@@ -90,7 +90,7 @@
  * @return the Jenkinsfile step representing a maven build
  */
 def mavenBuild(jdk, cmdline, mvnName, publishers) {
-  def localRepo = ".repository" // "${env.JENKINS_HOME}/${env.EXECUTOR_NUMBER}" //
+  def localRepo = "${env.JENKINS_HOME}/maven_repositories/${env.EXECUTOR_NUMBER}" // ".repository" //
   def settingsName = 'archiva-uid-jenkins'
   def mavenOpts = '-Xms1g -Xmx4g -Djava.awt.headless=true'