chore: remove unused imports

Signed-off-by: Casper Guldbech Nielsen <scni@novonordisk.com>

dapr_agents/tool/http/client.py

@@ -1,12 +1,10 @@
 import os
 from typing import Dict, Optional, Any, Union
-from distutils.util import strtobool
 import logging
 import requests
 
 from pydantic import BaseModel, Field, PrivateAttr
 from dapr_agents.types import ToolError
-from dapr_agents import tool
 from urllib.parse import urlparse
 from opentelemetry.instrumentation.requests import RequestsInstrumentor
 from opentelemetry import trace