[chore][examples] Remove reference to batch processor (#13767)

<!--Ex. Fixing a bug - Describe the bug and how this fixes the issue. Ex. Adding a feature - Explain what this achieves.--> #### Description <!-- Issue number if applicable --> Removes reference to batch processor from example. #### Link to tracking issue Updates #13766

Author: mx-psi

examples/local/otel-config.yaml

@@ -11,7 +11,6 @@ receivers:
  endpoint: localhost:4318
 
 processors:
- batch:
  memory_limiter:
  # 75% of maximum memory up to 2G
  limit_mib: 1536
@@ -27,15 +26,15 @@ service:
  pipelines:
  traces:
  receivers: [otlp]
- processors: [memory_limiter, batch]
+ processors: [memory_limiter]
  exporters: [debug]
  metrics:
  receivers: [otlp]
- processors: [memory_limiter, batch]
+ processors: [memory_limiter]
  exporters: [debug]
  logs:
  receivers: [otlp]
- processors: [memory_limiter, batch]
+ processors: [memory_limiter]
  exporters: [debug]
 
  extensions: [zpages]