Fix Kinesis test on Python 3.13

Author: amotl

tests/io/kinesis/conftest.py

@@ -1,6 +1,5 @@
 # ruff: noqa: E402
 import logging
-import time
 import typing
 
 import pytest
@@ -68,7 +67,6 @@ def reset_streams(self):
                     raise
             waiter = kinesis_client.get_waiter("stream_not_exists")
             waiter.wait(StreamName=stream_name, WaiterConfig={"Delay": 0.3, "MaxAttempts": 15})
-            time.sleep(0.25)
 
     def get_connection_url_kinesis(self):
         url = URL(self.container.get_url())