Merge pull request #187 from Mirantis/aptly

remove reduntant parameter
diff --git a/aptly/server/docker.yml b/aptly/server/docker.yml
index b1aa4de..6038976 100644
--- a/aptly/server/docker.yml
+++ b/aptly/server/docker.yml
@@ -15,7 +15,6 @@
         gid: 501
       home_dir: /srv/volumes/aptly
       root_dir: /srv/volumes/aptly
-      secure: true
       no_config: true
       gpg:
         keyring: .gnupg/trustdb.gpg