Fix the default list of architectures.

Change-Id: I8feea4b2e4f398939d67c250f0f457a59645f079
diff --git a/cicd/jobs/task_create_mirror.jenkins b/cicd/jobs/task_create_mirror.jenkins
index 8d5b551..d8eccd2 100644
--- a/cicd/jobs/task_create_mirror.jenkins
+++ b/cicd/jobs/task_create_mirror.jenkins
@@ -17,7 +17,7 @@
                     '',
                     'A space separated list of components to mirror')
         stringParam('architectures',
-                    'armhf,arm64,amd64,all',
+                    'armhf,arm64,amd64',
                     'A comma separated list of architectures to mirror')
         stringParam('keys',
                     '',