remove javascript in code formatting

Author: andrewjschuang

docs-v2/pages/code/nodejs/index.mdx

@@ -360,7 +360,7 @@ This is an alpha feature and is subject to change without prior notice.
 
 You can invoke another workflow in your workspace with `$.flow.trigger`:
 
-```javascript
+```
 await $.flow.trigger(
   workflowId, // your Pipedream workflow ID, e.g. p_abc123
   payload, // any JSON-serializable data