Fix handling sources, output in chat actor when is automated task

Remove unnecessary ```python prefix removal. It isn't being triggered
in json deserialize path.

src/khoj/processor/conversation/utils.py

@@ -528,7 +528,7 @@ def reciprocal_conversation_to_chatml(message_pair):
 
 def clean_json(response: str):
     """Remove any markdown json codeblock and newline formatting if present. Useful for non schema enforceable models"""
-    return response.strip().replace("\n", "").removeprefix("```json").removeprefix("```python").removesuffix("```")
+    return response.strip().replace("\n", "").removeprefix("```json").removesuffix("```")
 
 
 def clean_code_python(code: str):

src/khoj/routers/helpers.py

@@ -411,7 +411,7 @@ async def aget_data_sources_and_output_format(
                 f"Invalid response for determining relevant tools: {selected_sources}. Raw Response: {response}"
             )
 
-        result: Dict = {"sources": [], "output": None} if not is_task else {"output": ConversationCommand.AutomatedTask}
+        result: Dict = {"sources": [], "output": None if not is_task else ConversationCommand.AutomatedTask}
         for selected_source in selected_sources:
             # Add a double check to verify it's in the agent list, because the LLM sometimes gets confused by the tool options.
             if (