[Fix] Drop unnecessary timeout param from get_async_httpx_client call

The default timeout (600s) from AsyncHTTPHandler is sufficient.
Removes the explicit timeout param to keep the call simple.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

litellm/integrations/focus/destinations/vantage_destination.py

@@ -138,7 +138,6 @@ class FocusVantageDestination(FocusDestination):
 
         client = get_async_httpx_client(
             llm_provider=httpxSpecialProvider.LoggingCallback,
-            params={"timeout": 60.0},
         )
 
         # Check both size and row-count limits before single-shot upload