Merge pull request dapr#4292 from hhunter-ms/issue_4271

[Workflow] Remove text about trace context support

daprdocs/content/en/developing-applications/building-blocks/workflow/workflow-architecture.md

@@ -51,7 +51,9 @@ If you're familiar with Dapr actors, you may notice a few differences in terms o
 
 The `durabletask-go` core used by the workflow engine writes distributed traces using Open Telemetry SDKs. These traces are captured automatically by the Dapr sidecar and exported to the configured Open Telemetry provider, such as Zipkin.
 
-Each workflow instance managed by the engine is represented as one or more spans. There is a single parent span representing the full workflow execution and child spans for the various tasks, including spans for activity task execution and durable timers. Workflow activity code also has access to the trace context, allowing distributed trace context to flow to external services that are invoked by the workflow.
+Each workflow instance managed by the engine is represented as one or more spans. There is a single parent span representing the full workflow execution and child spans for the various tasks, including spans for activity task execution and durable timers. 
+
+> Workflow activity code currently **does not** have access to the trace context.
 
 ## Internal workflow actors