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/retrieval/vector/dbs/qdrant_multitenancy.py

@@ -13,7 +13,6 @@ from open_webui.config import (
     QDRANT_TIMEOUT,
     QDRANT_HNSW_M,
 )
-from open_webui.env import SRC_LOG_LEVELS
 from open_webui.retrieval.vector.main import (
     GetResult,
     SearchResult,
@@ -30,7 +29,6 @@ TENANT_ID_FIELD = "tenant_id"
 DEFAULT_DIMENSION = 384
 
 log = logging.getLogger(__name__)
-log.setLevel(SRC_LOG_LEVELS["RAG"])
 
 
 def _tenant_filter(tenant_id: str) -> models.FieldCondition: