Update docs/reference.md

Co-authored-by: JeffMboya <44696487+JeffMboya@users.noreply.github.com>

Author: rodneyosodo

docs/reference.md

@@ -106,12 +106,6 @@ Publishes per-task process metrics.
 
 ## Configuration
 
-### Go Proplet Environment Variables
-
-```bash
-PROPLET_METRICS_INTERVAL=10        # Interval in seconds
-PROPLET_ENABLE_MONITORING=true     # Enable/disable
-```
 
 ### Rust Proplet Environment Variables