Update demo.yaml

demo.yaml

@@ -10,9 +10,6 @@ flow:
         wiki_search:
           description: "Performs a search on Wikipedia."
           input_args: [ "search_term" ]
-        ddg_search:
-          description: "Query the search engine DuckDuckGo."
-          input_args: [ "query" ]
         finish:
           description: "Signal that the objective has been satisfied, and returns the answer to the user."
           input_args: [ "answer" ]
@@ -36,10 +33,7 @@ flow:
       subflows_config:
         wiki_search:
           _target_: aiflows.ControllerExecutorFlowModule.WikiSearchAtomicFlow.instantiate_from_default_config
-        ddg_search:
-          _target_: aiflows.LCToolFlowModule.LCToolFlow.instantiate_from_default_config
-          backend:
-            _target_: langchain.tools.DuckDuckGoSearchRun
+
 
     Memory:
       backend: