Remove forgotten debug message.

gns3server/controller/project.py

@@ -330,7 +330,6 @@ class Project:
             msg = "Appliance {} doesn't exist".format(appliance_id)
             log.error(msg)
             raise aiohttp.web.HTTPNotFound(text=msg)
-        print(template)
         template["x"] = x
         template["y"] = y
         node_type = template.pop("node_type")