cleanup matrix

src/matrix.rs

@@ -97,8 +97,6 @@ pub async fn run() {
 
     println!("Logged in to Matrix as {username}");
 
-    // Advance past existing messages before registering handlers so the bot
-    // doesn't reply to messages that ever existed in a given room.
     let sync_response = client
         .sync_once(SyncSettings::default())
         .await