Fix the import source for eval_logger (#2735)

* Fix the import source for eval_logger

* fix logging

---------
Co-authored-by: Baber <baber@hey.com>

lm_eval/tasks/leaderboard/math/utils.py

+import logging
 import re
 import signal
 from typing import Dict, List, Optional
 
 import datasets
 
-from lm_eval.utils import eval_logger
 
+eval_logger = logging.getLogger(__name__)
 
 try:
     import sympy

lm_eval/tasks/minerva_math/utils.py

+import logging
 import re
 import signal
 from importlib.metadata import version
@@ -5,7 +6,8 @@ from typing import Dict, List, Optional
 
 import datasets
 
-from lm_eval.utils import eval_logger
+
+eval_logger = logging.getLogger(__name__)
 
 
 try: