Update TROUBLESHOOTING.md based on PR feedback

Co-authored-by: kashifkhan <[email protected]>

Author: Copilot

sdk/servicebus/azure-servicebus/TROUBLESHOOTING.md

@@ -267,6 +267,8 @@ with receiver:
 - Standard tier: 256 KB per message
 - Premium tier: 1 MB per message
 
+For the most up-to-date information on Service Bus limits, refer to the [Azure Service Bus quotas and limits](https://learn.microsoft.com/azure/service-bus-messaging/service-bus-quotas) documentation.
+
 ### Message settlement issues
 
 **MessageAlreadySettled resolution:**
@@ -383,7 +385,6 @@ Check the `dead_letter_reason` and `dead_letter_error_description` properties on
 ### Q: How do I process messages faster?
 
 **A:** Consider:
-- Receiving messages in batches
 - Using concurrent message processing
 - Optimizing your message processing logic
 - Using `prefetch_count` to pre-fetch messages
@@ -421,4 +422,4 @@ When filing GitHub issues for Service Bus, please include:
 
 The more information provided, the faster we can help resolve your issue.
 
-Please view the [exceptions reference docs](https://docs.microsoft.com/python/api/azure-servicebus/azure.servicebus.exceptions) for detailed descriptions of our common Exception types.
+Please view the [exceptions reference docs](https://docs.microsoft.com/python/api/azure-servicebus/azure.servicebus.exceptions) for detailed descriptions of our common Exception types.