Update Jenkinsfile-empty

jenkins/Jenkinsfile-empty

@@ -11,9 +11,9 @@ pipeline{
                             sh "mkdir ${SUBDIR}"
                             sh "cd ${SUBDIR}"
                             git branch: "${CHECKOUTBRANCH}", url: "${CHECKOUTREPO}"
-                            cleanWs()
                             sh "cd .."
                             sh "rm -rf ${SUBDIR}"
+                            cleanWs()
                         }    
                     }
                 }