No more mirrorlist, so no more for

Change-Id: I10b654ee60b6e92e31e7ffef80c76e8d897f60ac
diff --git a/cicd/pipelines/tasks/task_update_mirrors.jenkins b/cicd/pipelines/tasks/task_update_mirrors.jenkins
index b6691e9..d950675 100644
--- a/cicd/pipelines/tasks/task_update_mirrors.jenkins
+++ b/cicd/pipelines/tasks/task_update_mirrors.jenkins
@@ -23,21 +23,17 @@
         dir(sourcePath) {
             container('debian') {
                 stage('Mirror') {
-                    for (mirror in mirrorList) {
-                        sh """
-                           aptly mirror list -raw \
-                               | xargs -n1 aptly update
-                           """
-                    }
+                    sh """
+                       aptly mirror list -raw \
+                           | xargs -n1 aptly update
+                       """
                 }
 
                 stage('Snapshot') {
-                    for (mirror in mirrorList) {
-                        sh """
-                           aptly mirror list -raw \
-                               | xargs -n1 -d_ aptly snapshot create _-${stamp} from mirror _
-                           """
-                    }
+                    sh """
+                       aptly mirror list -raw \
+                           | xargs -n1 -d_ aptly snapshot create _-${stamp} from mirror _
+                       """
                 }
             }
         }