chore: restore ct_monitor to upstream state

This PR is docs-only; ct_monitor changes were accidentally included.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: h4x3rotab

ct_monitor/src/main.rs

@@ -76,7 +76,6 @@ struct AppInfo {
     os_image_hash: Vec<u8>,
 }
 
-
 #[derive(Debug, Deserialize)]
 struct AcmeInfoResponse {
     #[allow(dead_code)]