Centralize ENV variable definition in utils/general.py (#13004)

* Centralize ENV variable definition in utils/general.py

Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>

* Update export.py

Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>

* Auto-format by https://ultralytics.com/actions

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Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>
Co-authored-by: UltralyticsAssistant <web@ultralytics.com>

export.py

@@ -48,8 +48,6 @@ import argparse
 import contextlib
 import json
 import os
-
-os.environ["TORCH_CPP_LOG_LEVEL"] = "ERROR"
 import platform
 import re
 import subprocess