trying to get simpler batcher working

apps/data-service/src/examples/batch-processing-examples.ts

@@ -81,29 +81,7 @@ export async function exampleBatchJobProcessor(jobData: any) {
   return result;
 }
 
-// Comparison: Old vs New approach
-
-// OLD COMPLEX WAY:
-/*
-const batchProcessor = new BatchProcessor(queueManager);
-await batchProcessor.initialize();
-await batchProcessor.processItems({
-  items: symbols,
-  batchSize: 200,
-  totalDelayMs: 3600000,
-  jobNamePrefix: 'yahoo-live',
-  operation: 'live-data',
-  service: 'data-service', 
-  provider: 'yahoo',
-  priority: 2,
-  createJobData: (symbol, index) => ({ symbol }),
-  useBatching: true,
-  removeOnComplete: 5,
-  removeOnFail: 3
-});
-*/
-
-// NEW SIMPLE WAY:
+// Example: Simple functional approach
 /*
 await processSymbols(symbols, queueManager, {
   operation: 'live-data',