Move task queue format to YAML, keep proto minimal

Author: rkannan82

temporal/api/worker/v1/worker_nexus_service_commands.proto

@@ -12,8 +12,6 @@ option csharp_namespace = "Temporalio.Api.Worker.V1";
 // (--
 // Internal Nexus service for server-to-worker communication.
 // See worker_service.nexusrpc.yaml for the service definition.
-//
-// Task queue format: /temporal-sys/worker-commands/{namespace}/{worker_grouping_key}
 // --)
 
 // Request payload for the "cancel-activities" Nexus operation.