Migration guide fixes (#1045)

* Update Migration Guide

* apply formatting

Author: itsjerryokolo

website/src/pages/en/resources/migration-guides/migrate-from-alchemy.mdx

@@ -105,12 +105,6 @@ Access your Subgraph dashboard to view logs, indexing progress, and query endpoi
 **Dashboard:**\
 `https://thegraph.com/studio/<subgraph-name>`
 
-List all Subgraph deployments:
-
-```bash
-graph subgraph list
-```
-
 ---
 
 ## 7. Update Your Application