Remove unused logger from aesara.scan.opt

aesara/scan/opt.py

@@ -2,7 +2,6 @@
 
 import copy
 import dataclasses
-import logging
 from sys import maxsize
 from typing import Dict, List, Optional, Tuple
 
@@ -58,8 +57,6 @@ from aesara.tensor.subtensor import (
 from aesara.tensor.var import TensorConstant, get_unique_value
 
 
-_logger = logging.getLogger("aesara.scan.opt")
-
 list_opt_slice = [
     math_opt.local_abs_merge,
     math_opt.local_mul_switch_sink,