test multiple push

Signed-off-by: Christian Richter <crichter@owncloud.com>

.drone.star

@@ -80,7 +80,6 @@ def stepMergeMaster(arch):
                     "repo": "quay.io/dragonchaser/motsognir",
                     "dry_run": "true",
                     "purge": "false",
-                    "pull": "never",
                     "tag": "latest-%s" % (arch),
                     "volumes": {
                       "name": "dockersock",