fix delete when hpc object has no cmi object id; add silent=true for originserver
diff --git a/planetstack/hpc_observer/steps/sync_originserver.py b/planetstack/hpc_observer/steps/sync_originserver.py
index 6fb6234..92ac0f4 100644
--- a/planetstack/hpc_observer/steps/sync_originserver.py
+++ b/planetstack/hpc_observer/steps/sync_originserver.py
@@ -69,7 +69,9 @@
         url = url[7:]
         self.client.cob.UpdateContent(ors.origin_server_id, {"url": url})
 
+        ors.silent = True
         ors.save()
 
-    def delete(self, m):
-        self.client.onev.Delete("OriginServer", m.origin_server_id)
+    def delete_record(self, m):
+        if m.origin_server_id is not None:
+            self.client.onev.Delete("OriginServer", m.origin_server_id)