Remove image generation tool.

app.py

@@ -57,17 +57,15 @@ image_generation_tool = load_tool("agents-course/text-to-image", trust_remote_co
 
 with open("prompts.yaml", "r") as stream:
     prompt_templates = yaml.safe_load(stream)
-    
+
 agent = CodeAgent(
     model=model,
     tools=[
         final_answer,
         get_current_time_in_timezone,
-        image_generation_tool,
     ],  ## add your tools here (don't remove final answer)
     max_steps=6,
     verbosity_level=1,
-    grammar=None,
     planning_interval=None,
     name=None,
     description=None,