Update crew.py

crew.py

@@ -13,7 +13,6 @@ from google import genai
 from google.genai import types
 from openinference.instrumentation.crewai import CrewAIInstrumentor
 from phoenix.otel import register
-from tools import add, subtract, multiply, divide, modulus
 from tools.ai_tools import AITools
 from tools.arithmetic_tools import ArithmeticTools
 from typing import List