refactor(benchmark): Separate cloud env provisioning from running benchmarks (#10657)

packages/@n8n/benchmark/scripts/run.mjs

@@ -1,12 +1,9 @@
 #!/usr/bin/env zx
 /**
  * Script to run benchmarks either on the cloud benchmark environment or locally.
+ * The cloud environment needs to be provisioned using Terraform before running the benchmarks.
  *
  * NOTE: Must be run in the root of the package.
- *
- * Usage:
- * 	 zx scripts/run.mjs
- *
  */
 // @ts-check
 import fs from 'fs';