fix(cmd): remove duplicate doc comment and double blank line

cmd/review-bot/main.go

@@ -530,7 +530,6 @@ func verdictToEvent(verdict string) vcs.ReviewEvent {
 	}
 }
 
-// supersedeOldReviews marks old reviews as superseded.
 // supersedeOldReviews marks prior reviews as superseded so only the latest review is visible.
 // For GitHub: dismisses old reviews (vcsURL is unused in this path).
 // For Gitea: edits the review body with a link to the new review and resolves inline comments.
@@ -557,7 +556,6 @@ func supersedeOldReviews(ctx context.Context, client vcs.Client, provider, vcsUR
 		return fmt.Errorf("supersedeOldReviews: unsupported provider %q", provider)
 	}
 
-
 	// The type assertion below is guaranteed to succeed: the caller's provider switch
 	// ensures we only reach this point when provider == "gitea", and the gitea provider
 	// always constructs a *gitea.Adapter. The !ok branch guards against future refactors