Fix debug trick

Change-Id: I5810600bb2578cf02813fdb10acd34b048bb5e0c
diff --git a/_modules/maasng.py b/_modules/maasng.py
index 16fe192..dc8527b 100644
--- a/_modules/maasng.py
+++ b/_modules/maasng.py
@@ -1086,7 +1086,6 @@
     }
 
     maas = _create_maas_client()
-    ipdb.set_trace()
     if url in get_boot_source():
         result['result'] = None
         result["comment"] = "boot resource already exist"