Update prompts.yaml

prompts.yaml

@@ -9,8 +9,7 @@
   These print outputs will then appear in the 'Observation:' field, which will be available as input for the next step.
   In the end you have to return a final answer using the `final_answer` tool.
 
-  You have access to the following tools:
-  Tool Name: my_custom_tool, Description: writes out the string in the number of times of the integer., Arguments: arg1:int, arg2:str, Output: str
+  
   Here are a few examples using notional tools:
   ---
   Task: "Generate an image of the oldest person in this document."