shifted tests to unit test, removed unused imports

Signed-off-by: Sai Shree Pradhan <saishree.pradhan@databricks.com>

Author: saishreeeee

src/databricks/sql/telemetry/telemetry_client.py

@@ -1,6 +1,5 @@
 import threading
 import time
-import requests
 import logging
 from concurrent.futures import ThreadPoolExecutor
 from typing import Dict, Optional

tests/e2e/test_telemetry_retry.py

@@ -1,6 +1,5 @@
 import uuid
 import pytest
-import requests
 from unittest.mock import patch, MagicMock
 
 from databricks.sql.telemetry.telemetry_client import (