allow executor in debug mode

Signed-off-by: zjgemi <liuxin_zijian@163.com>

dpgen2/utils/step_config.py

@@ -157,7 +157,7 @@ def gen_doc(*, make_anchor=True, make_link=True, **kwargs):
 def init_executor(
     executor_dict,
 ):
-    if executor_dict is None or config["mode"] == "debug":
+    if executor_dict is None:
         return None
     etype = executor_dict.pop("type")
     if etype == "dispatcher":