chore/perf: Remove old SRC level log env vars with no impact (#20045)

* Update openai.py

* Update env.py

* Merge pull request open-webui#19030 from open-webui/dev (#119)

Co-authored-by: Tim Baek <tim@openwebui.com>
Co-authored-by: Claude <noreply@anthropic.com>

---------

Co-authored-by: Tim Baek <tim@openwebui.com>
Co-authored-by: Claude <noreply@anthropic.com>

backend/open_webui/utils/telemetry/instrumentors.py

@@ -28,10 +28,8 @@ from fastapi import status
 
 from open_webui.utils.telemetry.constants import SPAN_REDIS_TYPE, SpanAttributes
 
-from open_webui.env import SRC_LOG_LEVELS
 
 logger = logging.getLogger(__name__)
-logger.setLevel(SRC_LOG_LEVELS["MAIN"])
 
 
 def requests_hook(span: Span, request: PreparedRequest):